26614509940 has 12 divisors (see below), whose sum is σ = 55890470916. Its totient is φ = 10645803968.

The previous prime is 26614509937. The next prime is 26614509979. The reversal of 26614509940 is 4990541662.

It can be written as a sum of positive squares in 2 ways, for example, as 11916342244 + 14698167696 = 109162^2 + 121236^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 665362729 + ... + 665362768.

It is an arithmetic number, because the mean of its divisors is an integer number (4657539243).

Almost surely, 2^26614509940 is an apocalyptic number.

26614509940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26614509940 is an abundant number, since it is smaller than the sum of its proper divisors (29275960976).

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

26614509940 is a wasteful number, since it uses less digits than its factorization.

26614509940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1330725506 (or 1330725504 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 46.

The spelling of 26614509940 in words is "twenty-six billion, six hundred fourteen million, five hundred nine thousand, nine hundred forty".