2657336920 has 64 divisors (see below), whose sum is σ = 6837592320. Its totient is φ = 910495104.

The previous prime is 2657336911. The next prime is 2657336933. The reversal of 2657336920 is 296337562.

It is a super-2 number, since 2×2657336920² = 14122879012790172800, which contains 22 as substring.

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, 828039 + ... + 831241.

It is an arithmetic number, because the mean of its divisors is an integer number (106837380).

Almost surely, 2^2657336920 is an apocalyptic number.

2657336920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2657336920 is an abundant number, since it is smaller than the sum of its proper divisors (4180255400).

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

2657336920 is a wasteful number, since it uses less digits than its factorization.

2657336920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6184 (or 6180 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 43.

The square root of 2657336920 is about 51549.3639146013. The cubic root of 2657336920 is about 1385.1034377342.

The spelling of 2657336920 in words is "two billion, six hundred fifty-seven million, three hundred thirty-six thousand, nine hundred twenty".