26361534456 has 64 divisors (see below), whose sum is σ = 76410259200. Its totient is φ = 8405125344.

The previous prime is 26361534431. The next prime is 26361534469. The reversal of 26361534456 is 65443516362.

26361534456 is a `hidden beast` number, since 2 + 6 + 3 + 61 + 534 + 4 + 56 = 666.

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 15 ways as a sum of consecutive naturals, for example, 2648166 + ... + 2658101.

It is an arithmetic number, because the mean of its divisors is an integer number (1193910300).

Almost surely, 2^26361534456 is an apocalyptic number.

It is an amenable number.

26361534456 is an abundant number, since it is smaller than the sum of its proper divisors (50048724744).

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

26361534456 is a wasteful number, since it uses less digits than its factorization.

26361534456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5306305 (or 5306295 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 45.

The spelling of 26361534456 in words is "twenty-six billion, three hundred sixty-one million, five hundred thirty-four thousand, four hundred fifty-six".