27426402140 has 48 divisors (see below), whose sum is σ = 58319194752. Its totient is φ = 10832840256.

The previous prime is 27426402139. The next prime is 27426402161. The reversal of 27426402140 is 4120462472.

It is a junction number, because it is equal to n+sod(n) for n = 27426402097 and 27426402106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5088527 + ... + 5093913.

It is an arithmetic number, because the mean of its divisors is an integer number (1214983224).

Almost surely, 2^27426402140 is an apocalyptic number.

27426402140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27426402140 is an abundant number, since it is smaller than the sum of its proper divisors (30892792612).

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

27426402140 is a wasteful number, since it uses less digits than its factorization.

27426402140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8546 (or 8544 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 32.

The spelling of 27426402140 in words is "twenty-seven billion, four hundred twenty-six million, four hundred two thousand, one hundred forty".