26453402064 has 40 divisors (see below), whose sum is σ = 75931062720. Its totient is φ = 8817800544.

The previous prime is 26453402057. The next prime is 26453402117. The reversal of 26453402064 is 46020435462.

26453402064 is a `hidden beast` number, since 2 + 64 + 534 + 0 + 2 + 0 + 64 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30616932 + ... + 30617795.

It is an arithmetic number, because the mean of its divisors is an integer number (1898276568).

Almost surely, 2^26453402064 is an apocalyptic number.

26453402064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

26453402064 is an abundant number, since it is smaller than the sum of its proper divisors (49477660656).

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

26453402064 is a wasteful number, since it uses less digits than its factorization.

26453402064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61234744 (or 61234732 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

The spelling of 26453402064 in words is "twenty-six billion, four hundred fifty-three million, four hundred two thousand, sixty-four".