25366626432 has 768 divisors, whose sum is σ = 93852794880. Its totient is φ = 6409912320.

The previous prime is 25366626421. The next prime is 25366626473. The reversal of 25366626432 is 23462666352.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 199737153 + ... + 199737279.

It is an arithmetic number, because the mean of its divisors is an integer number (122204160).

Almost surely, 2^25366626432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25366626432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46926397440).

25366626432 is an abundant number, since it is smaller than the sum of its proper divisors (68486168448).

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

25366626432 is a wasteful number, since it uses less digits than its factorization.

25366626432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249 (or 234 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 45.

The spelling of 25366626432 in words is "twenty-five billion, three hundred sixty-six million, six hundred twenty-six thousand, four hundred thirty-two".