26421654056 has 32 divisors (see below), whose sum is σ = 56623242240. Its totient is φ = 11322483648.

The previous prime is 26421654019. The next prime is 26421654089. The reversal of 26421654056 is 65045612462.

It is a super-2 number, since 2×26421654056² (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 7 ways as a sum of consecutive naturals, for example, 909305 + ... + 937911.

It is an arithmetic number, because the mean of its divisors is an integer number (1769476320).

Almost surely, 2^26421654056 is an apocalyptic number.

It is an amenable number.

26421654056 is an abundant number, since it is smaller than the sum of its proper divisors (30201588184).

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

26421654056 is a wasteful number, since it uses less digits than its factorization.

26421654056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45113 (or 45109 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 26421654056 in words is "twenty-six billion, four hundred twenty-one million, six hundred fifty-four thousand, fifty-six".