26225997945 has 64 divisors (see below), whose sum is σ = 48319856640. Its totient is φ = 11898374400.

The previous prime is 26225997943. The next prime is 26225998013. The reversal of 26225997945 is 54979952262.

It is not a de Polignac number, because 26225997945 - 2¹ = 26225997943 is a prime.

It is a super-2 number, since 2×26225997945² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26225997943) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12422440 + ... + 12424550.

It is an arithmetic number, because the mean of its divisors is an integer number (754997760).

Almost surely, 2^26225997945 is an apocalyptic number.

It is an amenable number.

26225997945 is a deficient number, since it is larger than the sum of its proper divisors (22093858695).

26225997945 is a wasteful number, since it uses less digits than its factorization.

26225997945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2966.

The product of its digits is 24494400, while the sum is 60.

The spelling of 26225997945 in words is "twenty-six billion, two hundred twenty-five million, nine hundred ninety-seven thousand, nine hundred forty-five".