26351508428 has 24 divisors (see below), whose sum is σ = 52725120000. Its totient is φ = 11288767248.

The previous prime is 26351508413. The next prime is 26351508437. The reversal of 26351508428 is 82480515362.

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, 128978 + ... + 263321.

It is an arithmetic number, because the mean of its divisors is an integer number (2196880000).

Almost surely, 2^26351508428 is an apocalyptic number.

26351508428 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

26351508428 is an abundant number, since it is smaller than the sum of its proper divisors (26373611572).

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

26351508428 is a wasteful number, since it uses less digits than its factorization.

26351508428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394709 (or 394707 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 44.

The spelling of 26351508428 in words is "twenty-six billion, three hundred fifty-one million, five hundred eight thousand, four hundred twenty-eight".