242620644460 has 24 divisors (see below), whose sum is σ = 511635176640. Its totient is φ = 96642196224.

The previous prime is 242620644443. The next prime is 242620644503. The reversal of 242620644460 is 64446026242.

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, 25373949 + ... + 25383508.

It is an arithmetic number, because the mean of its divisors is an integer number (21318132360).

Almost surely, 2^242620644460 is an apocalyptic number.

242620644460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242620644460 is an abundant number, since it is smaller than the sum of its proper divisors (269014532180).

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

242620644460 is a wasteful number, since it uses less digits than its factorization.

242620644460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50757705 (or 50757703 counting only the distinct ones).

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

The spelling of 242620644460 in words is "two hundred forty-two billion, six hundred twenty million, six hundred forty-four thousand, four hundred sixty".