27922839490 has 128 divisors (see below), whose sum is σ = 65596220928. Its totient is φ = 8304906240.

The previous prime is 27922839479. The next prime is 27922839491. The reversal of 27922839490 is 9493822972.

It is not an unprimeable number, because it can be changed into a prime (27922839491) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20218600 + ... + 20219980.

It is an arithmetic number, because the mean of its divisors is an integer number (512470476).

Almost surely, 2^27922839490 is an apocalyptic number.

27922839490 is an abundant number, since it is smaller than the sum of its proper divisors (37673381438).

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

27922839490 is a wasteful number, since it uses less digits than its factorization.

27922839490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2732.

The product of its (nonzero) digits is 3919104, while the sum is 55.

The spelling of 27922839490 in words is "twenty-seven billion, nine hundred twenty-two million, eight hundred thirty-nine thousand, four hundred ninety".