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42724370574720 = 2735519139104021
BaseRepresentation
bin10011011011011100010101…
…11011100110110110000000
312121021102001211210201200000
421231232022323212312000
521044444002331342340
6230511145504400000
711666506505614422
oct1155561273466600
9177242054721600
1042724370574720
1112682338404a9a
124960329316000
131aabb772a3183
14a79c28bb0812
154e155b592d30
hex26db8aee6d80

42724370574720 has 768 divisors, whose sum is σ = 162209410272000. Its totient is φ = 10715770920960.

The previous prime is 42724370574667. The next prime is 42724370574727. The reversal of 42724370574720 is 2747507342724.

42724370574720 is a `hidden beast` number, since 4 + 2 + 7 + 2 + 43 + 7 + 0 + 574 + 7 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42724370574727) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 410676310 + ... + 410780330.

It is an arithmetic number, because the mean of its divisors is an integer number (211210169625).

Almost surely, 242724370574720 is an apocalyptic number.

42724370574720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42724370574720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81104705136000).

42724370574720 is an abundant number, since it is smaller than the sum of its proper divisors (119485039697280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42724370574720 is a wasteful number, since it uses less digits than its factorization.

42724370574720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104213 (or 104189 counting only the distinct ones).

The product of its (nonzero) digits is 18439680, while the sum is 54.

The spelling of 42724370574720 in words is "forty-two trillion, seven hundred twenty-four billion, three hundred seventy million, five hundred seventy-four thousand, seven hundred twenty".