157793400 has 96 divisors (see below), whose sum is σ = 543529200. Its totient is φ = 42076800.

The previous prime is 157793387. The next prime is 157793401. The reversal of 157793400 is 4397751.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157793401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9211 + ... + 20010.

Almost surely, 2^157793400 is an apocalyptic number.

157793400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157793400 is an abundant number, since it is smaller than the sum of its proper divisors (385735800).

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

157793400 is a wasteful number, since it uses less digits than its factorization.

157793400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29246 (or 29231 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 157793400 is about 12561.5842949845. The cubic root of 157793400 is about 540.3762809502.

The spelling of 157793400 in words is "one hundred fifty-seven million, seven hundred ninety-three thousand, four hundred".