26388910005900 has 144 divisors (see below), whose sum is σ = 85800143272704. Its totient is φ = 6213308555520.

The previous prime is 26388910005881. The next prime is 26388910005979. The reversal of 26388910005900 is 950001988362.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 147005674 + ... + 147185073.

Almost surely, 2^{26388910005900} is an apocalyptic number.

26388910005900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26388910005900 is an abundant number, since it is smaller than the sum of its proper divisors (59411233266804).

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

26388910005900 is a wasteful number, since it uses less digits than its factorization.

26388910005900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294190800 (or 294190793 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 51.

The spelling of 26388910005900 in words is "twenty-six trillion, three hundred eighty-eight billion, nine hundred ten million, five thousand, nine hundred".