2738786520 has 32 divisors (see below), whose sum is σ = 8216359920. Its totient is φ = 730343040.

The previous prime is 2738786497. The next prime is 2738786563. The reversal of 2738786520 is 256878372.

It is a self number, because there is not a number n which added to its sum of digits gives 2738786520.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11411491 + ... + 11411730.

Almost surely, 2^2738786520 is an apocalyptic number.

2738786520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2738786520 is an abundant number, since it is smaller than the sum of its proper divisors (5477573400).

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

2738786520 is a wasteful number, since it uses less digits than its factorization.

2738786520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22823235 (or 22823231 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 48.

The square root of 2738786520 is about 52333.4168576828. The cubic root of 2738786520 is about 1399.1127916183.

The spelling of 2738786520 in words is "two billion, seven hundred thirty-eight million, seven hundred eighty-six thousand, five hundred twenty".