242972036892 has 144 divisors (see below), whose sum is σ = 693228856320. Its totient is φ = 71194425984.

The previous prime is 242972036873. The next prime is 242972036911. The reversal of 242972036892 is 298630279242.

242972036892 is a `hidden beast` number, since 2 + 4 + 297 + 203 + 68 + 92 = 666.

It is an interprime number because it is at equal distance from previous prime (242972036873) and next prime (242972036911).

It is a super-2 number, since 2×242972036892² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2393709 + ... + 2493147.

It is an arithmetic number, because the mean of its divisors is an integer number (4814089280).

Almost surely, 2^242972036892 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 242972036892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (346614428160).

242972036892 is an abundant number, since it is smaller than the sum of its proper divisors (450256819428).

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

242972036892 is a wasteful number, since it uses less digits than its factorization.

242972036892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99712 (or 99707 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 54.

The spelling of 242972036892 in words is "two hundred forty-two billion, nine hundred seventy-two million, thirty-six thousand, eight hundred ninety-two".