49190490720 has 288 divisors, whose sum is σ = 192648456000. Its totient is φ = 11196334080.

The previous prime is 49190490691. The next prime is 49190490731. The reversal of 49190490720 is 2709409194.

It is a happy number.

49190490720 is a `hidden beast` number, since 4 + 9 + 1 + 90 + 490 + 72 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a super-2 number, since 2×49190490720² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2419156 + ... + 2439404.

It is an arithmetic number, because the mean of its divisors is an integer number (668918250).

Almost surely, 2^49190490720 is an apocalyptic number.

49190490720 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 49190490720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96324228000).

49190490720 is an abundant number, since it is smaller than the sum of its proper divisors (143457965280).

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

49190490720 is a wasteful number, since it uses less digits than its factorization.

49190490720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20518 (or 20507 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The spelling of 49190490720 in words is "forty-nine billion, one hundred ninety million, four hundred ninety thousand, seven hundred twenty".