26226057865 has 32 divisors (see below), whose sum is σ = 38149309440. Its totient is φ = 16906968000.

The previous prime is 26226057853. The next prime is 26226057917. The reversal of 26226057865 is 56875062262.

It is not a de Polignac number, because 26226057865 - 2¹⁹ = 26225533577 is a prime.

It is a super-2 number, since 2×26226057865² (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 31 ways as a sum of consecutive naturals, for example, 63411 + ... + 237640.

It is an arithmetic number, because the mean of its divisors is an integer number (1192165920).

Almost surely, 2^26226057865 is an apocalyptic number.

It is an amenable number.

26226057865 is a deficient number, since it is larger than the sum of its proper divisors (11923251575).

26226057865 is a wasteful number, since it uses less digits than its factorization.

26226057865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301213.

The product of its (nonzero) digits is 2419200, while the sum is 49.

The spelling of 26226057865 in words is "twenty-six billion, two hundred twenty-six million, fifty-seven thousand, eight hundred sixty-five".