2157400514570 has 48 divisors (see below), whose sum is σ = 4622386795488. Its totient is φ = 722478304800.

The previous prime is 2157400514561. The next prime is 2157400514587. The reversal of 2157400514570 is 754150047512.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51174956 + ... + 51217095.

It is an arithmetic number, because the mean of its divisors is an integer number (96299724906).

Almost surely, 2^{2157400514570} is an apocalyptic number.

2157400514570 is an abundant number, since it is smaller than the sum of its proper divisors (2464986280918).

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

2157400514570 is a wasteful number, since it uses less digits than its factorization.

2157400514570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102392115 (or 102392108 counting only the distinct ones).

The product of its (nonzero) digits is 196000, while the sum is 41.

The spelling of 2157400514570 in words is "two trillion, one hundred fifty-seven billion, four hundred million, five hundred fourteen thousand, five hundred seventy".