26455138 has 16 divisors (see below), whose sum is σ = 40360320. Its totient is φ = 13003776.

The previous prime is 26455081. The next prime is 26455139. The reversal of 26455138 is 83155462.

It is not an unprimeable number, because it can be changed into a prime (26455139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34018 + ... + 34786.

It is an arithmetic number, because the mean of its divisors is an integer number (2522520).

Almost surely, 2^26455138 is an apocalyptic number.

26455138 is a deficient number, since it is larger than the sum of its proper divisors (13905182).

26455138 is a wasteful number, since it uses less digits than its factorization.

26455138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041.

The product of its digits is 28800, while the sum is 34.

The square root of 26455138 is about 5143.4558421357. The cubic root of 26455138 is about 297.9682638155.

The spelling of 26455138 in words is "twenty-six million, four hundred fifty-five thousand, one hundred thirty-eight".