157628774430 has 24 divisors (see below), whose sum is σ = 409834813752. Its totient is φ = 42034339824.

The previous prime is 157628774371. The next prime is 157628774447. The reversal of 157628774430 is 34477826751.

157628774430 is a `hidden beast` number, since 1 + 5 + 7 + 62 + 87 + 74 + 430 = 666.

It is a super-3 number, since 3×157628774430³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 875715324 + ... + 875715503.

It is an arithmetic number, because the mean of its divisors is an integer number (17076450573).

Almost surely, 2^157628774430 is an apocalyptic number.

157628774430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157628774430 is an abundant number, since it is smaller than the sum of its proper divisors (252206039322).

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

157628774430 is a wasteful number, since it uses less digits than its factorization.

157628774430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1751430840 (or 1751430837 counting only the distinct ones).

The product of its (nonzero) digits is 7902720, while the sum is 54.

The spelling of 157628774430 in words is "one hundred fifty-seven billion, six hundred twenty-eight million, seven hundred seventy-four thousand, four hundred thirty".