26431064 has 32 divisors (see below), whose sum is σ = 55933200. Its totient is φ = 11598720.

The previous prime is 26431051. The next prime is 26431079. The reversal of 26431064 is 46013462.

It is a super-2 number, since 2×26431064² = 1397202288344192, 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 7 ways as a sum of consecutive naturals, for example, 2627 + ... + 7730.

Almost surely, 2^26431064 is an apocalyptic number.

It is an amenable number.

26431064 is an abundant number, since it is smaller than the sum of its proper divisors (29502136).

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

26431064 is a wasteful number, since it uses less digits than its factorization.

26431064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10403 (or 10399 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 26431064 is about 5141.1150541492. The cubic root of 26431064 is about 297.8778533381.

The spelling of 26431064 in words is "twenty-six million, four hundred thirty-one thousand, sixty-four".