157877040 has 80 divisors (see below), whose sum is σ = 491370336. Its totient is φ = 41932800.

The previous prime is 157877029. The next prime is 157877053. The reversal of 157877040 is 40778751.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 157877040.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66270 + ... + 68610.

Almost surely, 2^157877040 is an apocalyptic number.

157877040 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 157877040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245685168).

157877040 is an abundant number, since it is smaller than the sum of its proper divisors (333493296).

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

157877040 is a wasteful number, since it uses less digits than its factorization.

157877040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2638 (or 2632 counting only the distinct ones).

The product of its (nonzero) digits is 54880, while the sum is 39.

The square root of 157877040 is about 12564.9130518281. The cubic root of 157877040 is about 540.4717414041.

The spelling of 157877040 in words is "one hundred fifty-seven million, eight hundred seventy-seven thousand, forty".