242644064620 has 24 divisors (see below), whose sum is σ = 531706994784. Its totient is φ = 92837728896.

The previous prime is 242644064599. The next prime is 242644064633. The reversal of 242644064620 is 26460446242.

It is a super-2 number, since 2×242644064620² (a number of 24 digits) contains 22 as substring.

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, 263743089 + ... + 263744008.

It is an arithmetic number, because the mean of its divisors is an integer number (22154458116).

Almost surely, 2^242644064620 is an apocalyptic number.

242644064620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242644064620 is an abundant number, since it is smaller than the sum of its proper divisors (289062930164).

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

242644064620 is a wasteful number, since it uses less digits than its factorization.

242644064620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527487129 (or 527487127 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 40.

The spelling of 242644064620 in words is "two hundred forty-two billion, six hundred forty-four million, sixty-four thousand, six hundred twenty".