26226057864 has 32 divisors (see below), whose sum is σ = 66395088000. Its totient is φ = 8631360192.

The previous prime is 26226057853. The next prime is 26226057917. The reversal of 26226057864 is 46875062262.

It is a super-2 number, since 2×26226057864² (a number of 22 digits) contains 22 as substring.

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, 6914259 + ... + 6918050.

It is an arithmetic number, because the mean of its divisors is an integer number (2074846500).

Almost surely, 2^26226057864 is an apocalyptic number.

26226057864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

26226057864 is an abundant number, since it is smaller than the sum of its proper divisors (40169030136).

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

26226057864 is a wasteful number, since it uses less digits than its factorization.

26226057864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13832397 (or 13832393 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 48.

The spelling of 26226057864 in words is "twenty-six billion, two hundred twenty-six million, fifty-seven thousand, eight hundred sixty-four".