27130162640 has 80 divisors (see below), whose sum is σ = 76329257472. Its totient is φ = 8754604032.

The previous prime is 27130162627. The next prime is 27130162651. The reversal of 27130162640 is 4626103172.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 27130162597 and 27130162606.

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, 1415384 + ... + 1434423.

Almost surely, 2^27130162640 is an apocalyptic number.

27130162640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27130162640 is an abundant number, since it is smaller than the sum of its proper divisors (49199094832).

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

27130162640 is a wasteful number, since it uses less digits than its factorization.

27130162640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2849844 (or 2849838 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The spelling of 27130162640 in words is "twenty-seven billion, one hundred thirty million, one hundred sixty-two thousand, six hundred forty".