26270554220 has 24 divisors (see below), whose sum is σ = 57070515600. Its totient is φ = 10145868992.

The previous prime is 26270554213. The next prime is 26270554237. The reversal of 26270554220 is 2245507262.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22646450 + ... + 22647609.

It is an arithmetic number, because the mean of its divisors is an integer number (2377938150).

Almost surely, 2^26270554220 is an apocalyptic number.

26270554220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26270554220 is an abundant number, since it is smaller than the sum of its proper divisors (30799961380).

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

26270554220 is a wasteful number, since it uses less digits than its factorization.

26270554220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45294097 (or 45294095 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 35.

The spelling of 26270554220 in words is "twenty-six billion, two hundred seventy million, five hundred fifty-four thousand, two hundred twenty".