26598704940 has 96 divisors (see below), whose sum is σ = 85420984320. Its totient is φ = 6864177600.

The previous prime is 26598704939. The next prime is 26598704963. The reversal of 26598704940 is 4940789562.

26598704940 is a `hidden beast` number, since 2 + 6 + 598 + 7 + 0 + 4 + 9 + 40 = 666.

It is a super-2 number, since 2×26598704940² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 777726 + ... + 811205.

It is an arithmetic number, because the mean of its divisors is an integer number (889801920).

Almost surely, 2^26598704940 is an apocalyptic number.

26598704940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26598704940 is an abundant number, since it is smaller than the sum of its proper divisors (58822279380).

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

26598704940 is a wasteful number, since it uses less digits than its factorization.

26598704940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588980 (or 1588972 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 26598704940 in words is "twenty-six billion, five hundred ninety-eight million, seven hundred four thousand, nine hundred forty".