26840807400 has 96 divisors (see below), whose sum is σ = 90770752800. Its totient is φ = 6506860800.

The previous prime is 26840807393. The next prime is 26840807419. The reversal of 26840807400 is 470804862.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2026795 + ... + 2039994.

It is an arithmetic number, because the mean of its divisors is an integer number (945528675).

Almost surely, 2^26840807400 is an apocalyptic number.

26840807400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26840807400 is an abundant number, since it is smaller than the sum of its proper divisors (63929945400).

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

26840807400 is a wasteful number, since it uses less digits than its factorization.

26840807400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4066819 (or 4066810 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 39.

The spelling of 26840807400 in words is "twenty-six billion, eight hundred forty million, eight hundred seven thousand, four hundred".