26307432256 has 56 divisors (see below), whose sum is σ = 59682538496. Its totient is φ = 11270638080.

The previous prime is 26307432251. The next prime is 26307432259. The reversal of 26307432256 is 65223470362.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26307432251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1510510 + ... + 1527826.

It is an arithmetic number, because the mean of its divisors is an integer number (1065759616).

Almost surely, 2^26307432256 is an apocalyptic number.

It is an amenable number.

26307432256 is an abundant number, since it is smaller than the sum of its proper divisors (33375106240).

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

26307432256 is a wasteful number, since it uses less digits than its factorization.

26307432256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20727 (or 20717 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 40.

The spelling of 26307432256 in words is "twenty-six billion, three hundred seven million, four hundred thirty-two thousand, two hundred fifty-six".