25326456064 has 72 divisors (see below), whose sum is σ = 62220341120. Its totient is φ = 10019248128.

The previous prime is 25326456031. The next prime is 25326456101. The reversal of 25326456064 is 46065462352.

It is a self number, because there is not a number n which added to its sum of digits gives 25326456064.

It is a congruent number.

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, 520284 + ... + 566875.

Almost surely, 2^25326456064 is an apocalyptic number.

It is an amenable number.

25326456064 is an abundant number, since it is smaller than the sum of its proper divisors (36893885056).

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

25326456064 is a wasteful number, since it uses less digits than its factorization.

25326456064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087195 (or 1087181 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 43.

The spelling of 25326456064 in words is "twenty-five billion, three hundred twenty-six million, four hundred fifty-six thousand, sixty-four".