26464159518 has 32 divisors (see below), whose sum is σ = 53166132096. Its totient is φ = 8781823008.

The previous prime is 26464159517. The next prime is 26464159529. The reversal of 26464159518 is 81595146462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26464159517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1562805 + ... + 1579647.

It is an arithmetic number, because the mean of its divisors is an integer number (1661441628).

Almost surely, 2^26464159518 is an apocalyptic number.

26464159518 is an abundant number, since it is smaller than the sum of its proper divisors (26701972578).

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

26464159518 is a wasteful number, since it uses less digits than its factorization.

26464159518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18008.

The product of its digits is 2073600, while the sum is 51.

The spelling of 26464159518 in words is "twenty-six billion, four hundred sixty-four million, one hundred fifty-nine thousand, five hundred eighteen".