27581404620424 has 128 divisors (see below), whose sum is σ = 53941669286400. Its totient is φ = 13211218575360.

The previous prime is 27581404620401. The next prime is 27581404620467. The reversal of 27581404620424 is 42402640418572.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7158421282 + ... + 7158425134.

It is an arithmetic number, because the mean of its divisors is an integer number (421419291300).

Almost surely, 2^{27581404620424} is an apocalyptic number.

It is an amenable number.

27581404620424 is a deficient number, since it is larger than the sum of its proper divisors (26360264665976).

27581404620424 is a wasteful number, since it uses less digits than its factorization.

27581404620424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5423 (or 5419 counting only the distinct ones).

The product of its (nonzero) digits is 3440640, while the sum is 49.

The spelling of 27581404620424 in words is "twenty-seven trillion, five hundred eighty-one billion, four hundred four million, six hundred twenty thousand, four hundred twenty-four".