157516012044 has 120 divisors (see below), whose sum is σ = 419179622400. Its totient is φ = 51563368800.

The previous prime is 157516012033. The next prime is 157516012097. The reversal of 157516012044 is 440210615751.

157516012044 is a `hidden beast` number, since 1 + 5 + 7 + 5 + 1 + 601 + 2 + 0 + 44 = 666.

It is a super-2 number, since 2×157516012044² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 21998937 + ... + 22006095.

It is an arithmetic number, because the mean of its divisors is an integer number (3493163520).

Almost surely, 2^157516012044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157516012044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209589811200).

157516012044 is an abundant number, since it is smaller than the sum of its proper divisors (261663610356).

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

157516012044 is a wasteful number, since it uses less digits than its factorization.

157516012044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8385 (or 8374 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

Adding to 157516012044 its reverse (440210615751), we get a palindrome (597726627795).

The spelling of 157516012044 in words is "one hundred fifty-seven billion, five hundred sixteen million, twelve thousand, forty-four".