242577471636 has 18 divisors (see below), whose sum is σ = 613181942282. Its totient is φ = 80859157200.

The previous prime is 242577471611. The next prime is 242577471649. The reversal of 242577471636 is 636174775242.

242577471636 is a `hidden beast` number, since 2 + 4 + 2 + 577 + 4 + 7 + 1 + 63 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 231126331536 + 11451140100 = 480756^2 + 107010^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3369131515 + ... + 3369131586.

Almost surely, 2^242577471636 is an apocalyptic number.

It is an amenable number.

242577471636 is an abundant number, since it is smaller than the sum of its proper divisors (370604470646).

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

242577471636 is a wasteful number, since it uses less digits than its factorization.

242577471636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6738263111 (or 6738263106 counting only the distinct ones).

The product of its digits is 11854080, while the sum is 54.

The spelling of 242577471636 in words is "two hundred forty-two billion, five hundred seventy-seven million, four hundred seventy-one thousand, six hundred thirty-six".