27632989420 has 24 divisors (see below), whose sum is σ = 58156275744. Its totient is φ = 11029005696.

The previous prime is 27632989399. The next prime is 27632989421. The reversal of 27632989420 is 2498923672.

It is not an unprimeable number, because it can be changed into a prime (27632989421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1502512 + ... + 1520791.

It is an arithmetic number, because the mean of its divisors is an integer number (2423178156).

Almost surely, 2^27632989420 is an apocalyptic number.

27632989420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27632989420 is an abundant number, since it is smaller than the sum of its proper divisors (30523286324).

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

27632989420 is a wasteful number, since it uses less digits than its factorization.

27632989420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3023769 (or 3023767 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 52.

The spelling of 27632989420 in words is "twenty-seven billion, six hundred thirty-two million, nine hundred eighty-nine thousand, four hundred twenty".