27840244980 has 24 divisors (see below), whose sum is σ = 77952686112. Its totient is φ = 7424065312.

The previous prime is 27840244909. The next prime is 27840245029. The reversal of 27840244980 is 8944204872.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232001982 + ... + 232002101.

It is an arithmetic number, because the mean of its divisors is an integer number (3248028588).

Almost surely, 2^27840244980 is an apocalyptic number.

27840244980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27840244980 is an abundant number, since it is smaller than the sum of its proper divisors (50112441132).

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

27840244980 is a wasteful number, since it uses less digits than its factorization.

27840244980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464004095 (or 464004093 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 48.

The spelling of 27840244980 in words is "twenty-seven billion, eight hundred forty million, two hundred forty-four thousand, nine hundred eighty".