2638106880 has 72 divisors (see below), whose sum is σ = 8425466112. Its totient is φ = 703494144.

The previous prime is 2638106879. The next prime is 2638106881. The reversal of 2638106880 is 886018362.

It is an interprime number because it is at equal distance from previous prime (2638106879) and next prime (2638106881).

It is not an unprimeable number, because it can be changed into a prime (2638106881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339664 + ... + 347343.

Almost surely, 2^2638106880 is an apocalyptic number.

2638106880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2638106880 is an abundant number, since it is smaller than the sum of its proper divisors (5787359232).

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

2638106880 is an equidigital number, since it uses as much as digits as its factorization.

2638106880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687031 (or 687017 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 2638106880 is about 51362.5046118275. The cubic root of 2638106880 is about 1381.7542068929.

The spelling of 2638106880 in words is "two billion, six hundred thirty-eight million, one hundred six thousand, eight hundred eighty".