157857474000 has 80 divisors (see below), whose sum is σ = 508932515520. Its totient is φ = 42095324800.

The previous prime is 157857473999. The next prime is 157857474077. The reversal of 157857474000 is 474758751.

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

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

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, 13148790 + ... + 13160789.

It is an arithmetic number, because the mean of its divisors is an integer number (6361656444).

Almost surely, 2^157857474000 is an apocalyptic number.

157857474000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157857474000 is an abundant number, since it is smaller than the sum of its proper divisors (351075041520).

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

157857474000 is a wasteful number, since it uses less digits than its factorization.

157857474000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26309605 (or 26309589 counting only the distinct ones).

The product of its (nonzero) digits is 1097600, while the sum is 48.

The spelling of 157857474000 in words is "one hundred fifty-seven billion, eight hundred fifty-seven million, four hundred seventy-four thousand".