2657820132 has 36 divisors (see below), whose sum is σ = 7329141456. Its totient is φ = 805399920.

The previous prime is 2657820127. The next prime is 2657820161. The reversal of 2657820132 is 2310287562.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3355438 + ... + 3356229.

Almost surely, 2^2657820132 is an apocalyptic number.

2657820132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2657820132 is an abundant number, since it is smaller than the sum of its proper divisors (4671321324).

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

2657820132 is a wasteful number, since it uses less digits than its factorization.

2657820132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6711688 (or 6711683 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 2657820132 is about 51554.0505877084. The cubic root of 2657820132 is about 1385.1873887044.

The spelling of 2657820132 in words is "two billion, six hundred fifty-seven million, eight hundred twenty thousand, one hundred thirty-two".