2638468026 has 16 divisors (see below), whose sum is σ = 5863262400. Its totient is φ = 879489324.

The previous prime is 2638468009. The next prime is 2638468033. The reversal of 2638468026 is 6208648362.

2638468026 is a `hidden beast` number, since 2 + 638 + 4 + 6 + 8 + 0 + 2 + 6 = 666.

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, 24430206 + ... + 24430313.

It is an arithmetic number, because the mean of its divisors is an integer number (366453900).

Almost surely, 2^2638468026 is an apocalyptic number.

2638468026 is an abundant number, since it is smaller than the sum of its proper divisors (3224794374).

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

2638468026 is a wasteful number, since it uses less digits than its factorization.

2638468026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48860530 (or 48860524 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 45.

The square root of 2638468026 is about 51366.0201495113. The cubic root of 2638468026 is about 1381.8172561751.

The spelling of 2638468026 in words is "two billion, six hundred thirty-eight million, four hundred sixty-eight thousand, twenty-six".