49450248731520 has 5760 divisors, whose sum is σ = 244057382553600. Its totient is φ = 9306953809920.

The previous prime is 49450248731497. The next prime is 49450248731561. The reversal of 49450248731520 is 2513784205494.

It is a happy number.

49450248731520 is a `hidden beast` number, since 4 + 9 + 4 + 5 + 0 + 2 + 4 + 87 + 31 + 520 = 666.

It is a tau number, because it is divible by the number of its divisors (5760).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 719 ways as a sum of consecutive naturals, for example, 1336493208942 + ... + 1336493208978.

It is an arithmetic number, because the mean of its divisors is an integer number (42371073360).

Almost surely, 2^{49450248731520} is an apocalyptic number.

49450248731520 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 49450248731520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122028691276800).

49450248731520 is an abundant number, since it is smaller than the sum of its proper divisors (194607133822080).

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

49450248731520 is a wasteful number, since it uses less digits than its factorization.

49450248731520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 54.

The spelling of 49450248731520 in words is "forty-nine trillion, four hundred fifty billion, two hundred forty-eight million, seven hundred thirty-one thousand, five hundred twenty".