26638890150 has 48 divisors (see below), whose sum is σ = 69541531200. Its totient is φ = 6729824160.

The previous prime is 26638890149. The next prime is 26638890199. The reversal of 26638890150 is 5109883662.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 26638890150.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4670640 + ... + 4676339.

It is an arithmetic number, because the mean of its divisors is an integer number (1448781900).

Almost surely, 2^26638890150 is an apocalyptic number.

26638890150 is an abundant number, since it is smaller than the sum of its proper divisors (42902641050).

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

26638890150 is a wasteful number, since it uses less digits than its factorization.

26638890150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9347013 (or 9347008 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 48.

The spelling of 26638890150 in words is "twenty-six billion, six hundred thirty-eight million, eight hundred ninety thousand, one hundred fifty".