26409085902 has 24 divisors (see below), whose sum is σ = 57308977440. Its totient is φ = 8789291520.

The previous prime is 26409085883. The next prime is 26409085903. The reversal of 26409085902 is 20958090462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26409085903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1132902 + ... + 1155977.

It is an arithmetic number, because the mean of its divisors is an integer number (2387874060).

Almost surely, 2^26409085902 is an apocalyptic number.

26409085902 is an abundant number, since it is smaller than the sum of its proper divisors (30899891538).

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

26409085902 is a wasteful number, since it uses less digits than its factorization.

26409085902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2289528 (or 2289525 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 26409085902 in words is "twenty-six billion, four hundred nine million, eighty-five thousand, nine hundred two".