26026400928 has 96 divisors (see below), whose sum is σ = 74562489792. Its totient is φ = 7883366400.

The previous prime is 26026400909. The next prime is 26026400941. The reversal of 26026400928 is 82900462062.

It is a Cunningham number, because it is equal to 161327²-1.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×26026400928² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3545550 + ... + 3552882.

It is an arithmetic number, because the mean of its divisors is an integer number (776692602).

Almost surely, 2^26026400928 is an apocalyptic number.

It is an amenable number.

26026400928 is an abundant number, since it is smaller than the sum of its proper divisors (48536088864).

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

26026400928 is a wasteful number, since it uses less digits than its factorization.

26026400928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10718 (or 10710 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The spelling of 26026400928 in words is "twenty-six billion, twenty-six million, four hundred thousand, nine hundred twenty-eight".