157898040 has 192 divisors, whose sum is σ = 523864800. Its totient is φ = 38019072.

The previous prime is 157898009. The next prime is 157898053. The reversal of 157898040 is 40898751.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 157897983 and 157898001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1005642 + ... + 1005798.

Almost surely, 2^157898040 is an apocalyptic number.

157898040 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 157898040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261932400).

157898040 is an abundant number, since it is smaller than the sum of its proper divisors (365966760).

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

157898040 is a wasteful number, since it uses less digits than its factorization.

157898040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234 (or 213 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 157898040 is about 12565.7486844199. The cubic root of 157898040 is about 540.4957039414.

The spelling of 157898040 in words is "one hundred fifty-seven million, eight hundred ninety-eight thousand, forty".