26361660408 has 16 divisors (see below), whose sum is σ = 65904151080. Its totient is φ = 8787220128.

The previous prime is 26361660397. The next prime is 26361660421. The reversal of 26361660408 is 80406616362.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 26361660408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 549201235 + ... + 549201282.

Almost surely, 2^26361660408 is an apocalyptic number.

It is an amenable number.

26361660408 is an abundant number, since it is smaller than the sum of its proper divisors (39542490672).

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

26361660408 is a wasteful number, since it uses less digits than its factorization.

26361660408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1098402526 (or 1098402522 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 42.

The spelling of 26361660408 in words is "twenty-six billion, three hundred sixty-one million, six hundred sixty thousand, four hundred eight".