157057831424 has 80 divisors (see below), whose sum is σ = 341050072440. Its totient is φ = 71822868480.

The previous prime is 157057831409. The next prime is 157057831453. The reversal of 157057831424 is 424138750751.

It can be written as a sum of positive squares in 4 ways, for example, as 154480441600 + 2577389824 = 393040^2 + 50768^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 617264 + ... + 833744.

Almost surely, 2^157057831424 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 157057831424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170525036220).

157057831424 is an abundant number, since it is smaller than the sum of its proper divisors (183992241016).

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

157057831424 is a wasteful number, since it uses less digits than its factorization.

157057831424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216621 (or 216605 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 47.

The spelling of 157057831424 in words is "one hundred fifty-seven billion, fifty-seven million, eight hundred thirty-one thousand, four hundred twenty-four".