157420692324 has 192 divisors, whose sum is σ = 498311833600. Its totient is φ = 41973883776.

The previous prime is 157420692287. The next prime is 157420692371. The reversal of 157420692324 is 423296024751.

It is a self number, because there is not a number n which added to its sum of digits gives 157420692324.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 880602 + ... + 1044174.

Almost surely, 2^157420692324 is an apocalyptic number.

157420692324 is a gapful number since it is divisible by the number (14) 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 157420692324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249155916800).

157420692324 is an abundant number, since it is smaller than the sum of its proper divisors (340891141276).

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

157420692324 is a wasteful number, since it uses less digits than its factorization.

157420692324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163679 (or 163671 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 157420692324 in words is "one hundred fifty-seven billion, four hundred twenty million, six hundred ninety-two thousand, three hundred twenty-four".