157707040424 has 16 divisors (see below), whose sum is σ = 296089280820. Its totient is φ = 78749898880.

The previous prime is 157707040417. The next prime is 157707040451. The reversal of 157707040424 is 424040707751.

157707040424 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 106264264324 + 51442776100 = 325982^2 + 226810^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12946199 + ... + 12958374.

Almost surely, 2^157707040424 is an apocalyptic number.

It is an amenable number.

157707040424 is a deficient number, since it is larger than the sum of its proper divisors (138382240396).

157707040424 is a wasteful number, since it uses less digits than its factorization.

157707040424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25905340 (or 25905336 counting only the distinct ones).

The product of its (nonzero) digits is 219520, while the sum is 41.

The spelling of 157707040424 in words is "one hundred fifty-seven billion, seven hundred seven million, forty thousand, four hundred twenty-four".