242394385572 has 96 divisors (see below), whose sum is σ = 646429042560. Its totient is φ = 78515879040.

The previous prime is 242394385549. The next prime is 242394385609. The reversal of 242394385572 is 275583493242.

242394385572 is a `hidden beast` number, since 2 + 4 + 2 + 39 + 4 + 38 + 5 + 572 = 666.

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

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, 325158 + ... + 768450.

It is an arithmetic number, because the mean of its divisors is an integer number (6733635860).

Almost surely, 2^242394385572 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242394385572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (323214521280).

242394385572 is an abundant number, since it is smaller than the sum of its proper divisors (404034656988).

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

242394385572 is a wasteful number, since it uses less digits than its factorization.

242394385572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443450 (or 443442 counting only the distinct ones).

The product of its digits is 14515200, while the sum is 54.

The spelling of 242394385572 in words is "two hundred forty-two billion, three hundred ninety-four million, three hundred eighty-five thousand, five hundred seventy-two".