27990148526 has 16 divisors (see below), whose sum is σ = 42043597728. Its totient is φ = 13975632000.

The previous prime is 27990148493. The next prime is 27990148531. The reversal of 27990148526 is 62584109972.

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, 6737666 + ... + 6741818.

It is an arithmetic number, because the mean of its divisors is an integer number (2627724858).

Almost surely, 2^27990148526 is an apocalyptic number.

27990148526 is a deficient number, since it is larger than the sum of its proper divisors (14053449202).

27990148526 is a wasteful number, since it uses less digits than its factorization.

27990148526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8027.

The product of its (nonzero) digits is 2177280, while the sum is 53.

The spelling of 27990148526 in words is "twenty-seven billion, nine hundred ninety million, one hundred forty-eight thousand, five hundred twenty-six".