242564172530 has 64 divisors (see below), whose sum is σ = 453755385216. Its totient is φ = 93291072000.

The previous prime is 242564172523. The next prime is 242564172541. The reversal of 242564172530 is 35271465242.

It is a Harshad number since it is a multiple of its sum of digits (41).

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, 14318165 + ... + 14335095.

It is an arithmetic number, because the mean of its divisors is an integer number (7089927894).

Almost surely, 2^242564172530 is an apocalyptic number.

242564172530 is a deficient number, since it is larger than the sum of its proper divisors (211191212686).

242564172530 is a wasteful number, since it uses less digits than its factorization.

242564172530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17483.

The product of its (nonzero) digits is 403200, while the sum is 41.

The spelling of 242564172530 in words is "two hundred forty-two billion, five hundred sixty-four million, one hundred seventy-two thousand, five hundred thirty".