157489692480 has 168 divisors, whose sum is σ = 542233558152. Its totient is φ = 41955803136.

The previous prime is 157489692467. The next prime is 157489692497. The reversal of 157489692480 is 84296984751.

157489692480 is a `hidden beast` number, since 1 + 5 + 74 + 89 + 6 + 9 + 2 + 480 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 70318310976 + 87171381504 = 265176^2 + 295248^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2948572 + ... + 3001508.

Almost surely, 2^157489692480 is an apocalyptic number.

157489692480 is a gapful number since it is divisible by the number (10) 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 157489692480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271116779076).

157489692480 is an abundant number, since it is smaller than the sum of its proper divisors (384743865672).

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

157489692480 is a wasteful number, since it uses less digits than its factorization.

157489692480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53993 (or 53980 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 63.

The spelling of 157489692480 in words is "one hundred fifty-seven billion, four hundred eighty-nine million, six hundred ninety-two thousand, four hundred eighty".