2638023426 has 96 divisors (see below), whose sum is σ = 6030655488. Its totient is φ = 832537440.

The previous prime is 2638023413. The next prime is 2638023439. The reversal of 2638023426 is 6243208362.

2638023426 is a `hidden beast` number, since 26 + 380 + 234 + 26 = 666.

It is an interprime number because it is at equal distance from previous prime (2638023413) and next prime (2638023439).

It is a super-2 number, since 2×2638023426² = 13918335192249554952, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4619721 + ... + 4620291.

It is an arithmetic number, because the mean of its divisors is an integer number (62819328).

Almost surely, 2^2638023426 is an apocalyptic number.

2638023426 is an abundant number, since it is smaller than the sum of its proper divisors (3392632062).

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

2638023426 is a wasteful number, since it uses less digits than its factorization.

2638023426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796 (or 793 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The square root of 2638023426 is about 51361.6922034311. The cubic root of 2638023426 is about 1381.7396365796.

The spelling of 2638023426 in words is "two billion, six hundred thirty-eight million, twenty-three thousand, four hundred twenty-six".