26478885288 has 64 divisors (see below), whose sum is σ = 67138554240. Its totient is φ = 8700908544.

The previous prime is 26478885283. The next prime is 26478885289. The reversal of 26478885288 is 88258887462.

It is a super-2 number, since 2×26478885288² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26478885283) 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, 6713445 + ... + 6717387.

It is an arithmetic number, because the mean of its divisors is an integer number (1049039910).

Almost surely, 2^26478885288 is an apocalyptic number.

It is an amenable number.

26478885288 is an abundant number, since it is smaller than the sum of its proper divisors (40659668952).

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

26478885288 is a wasteful number, since it uses less digits than its factorization.

26478885288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7858 (or 7854 counting only the distinct ones).

The product of its digits is 110100480, while the sum is 66.

The spelling of 26478885288 in words is "twenty-six billion, four hundred seventy-eight million, eight hundred eighty-five thousand, two hundred eighty-eight".