2157005770262 has 16 divisors (see below), whose sum is σ = 3699128617632. Its totient is φ = 924079934400.

The previous prime is 2157005770229. The next prime is 2157005770267. The reversal of 2157005770262 is 2620775007512.

It is a super-3 number, since 3×2157005770262³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2157005770267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29220989 + ... + 29294712.

It is an arithmetic number, because the mean of its divisors is an integer number (231195538602).

Almost surely, 2^{2157005770262} is an apocalyptic number.

2157005770262 is a deficient number, since it is larger than the sum of its proper divisors (1542122847370).

2157005770262 is a wasteful number, since it uses less digits than its factorization.

2157005770262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58518343.

The product of its (nonzero) digits is 411600, while the sum is 44.

The spelling of 2157005770262 in words is "two trillion, one hundred fifty-seven billion, five million, seven hundred seventy thousand, two hundred sixty-two".