27740260221642 has 64 divisors (see below), whose sum is σ = 63781016112000. Its totient is φ = 8926457428224.

The previous prime is 27740260221631. The next prime is 27740260221659. The reversal of 27740260221642 is 24612206204772.

27740260221642 is a `hidden beast` number, since 2 + 7 + 7 + 402 + 60 + 22 + 164 + 2 = 666.

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, 8286034 + ... + 11141762.

It is an arithmetic number, because the mean of its divisors is an integer number (996578376750).

Almost surely, 2^{27740260221642} is an apocalyptic number.

27740260221642 is an abundant number, since it is smaller than the sum of its proper divisors (36040755890358).

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

27740260221642 is a wasteful number, since it uses less digits than its factorization.

27740260221642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2861972 (or 2861966 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 45.

The spelling of 27740260221642 in words is "twenty-seven trillion, seven hundred forty billion, two hundred sixty million, two hundred twenty-one thousand, six hundred forty-two".