242747076636 has 48 divisors (see below), whose sum is σ = 643980198400. Its totient is φ = 79033930416.

The previous prime is 242747076631. The next prime is 242747076661. The reversal of 242747076636 is 636670747242.

242747076636 is a `hidden beast` number, since 2 + 42 + 7 + 470 + 76 + 63 + 6 = 666.

It is a super-2 number, since 2×242747076636² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242747076631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26130916 + ... + 26140203.

Almost surely, 2^242747076636 is an apocalyptic number.

It is an amenable number.

242747076636 is an abundant number, since it is smaller than the sum of its proper divisors (401233121764).

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

242747076636 is a wasteful number, since it uses less digits than its factorization.

242747076636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52271175 (or 52271167 counting only the distinct ones).

The product of its (nonzero) digits is 14224896, while the sum is 54.

The spelling of 242747076636 in words is "two hundred forty-two billion, seven hundred forty-seven million, seventy-six thousand, six hundred thirty-six".