242664857046 has 32 divisors (see below), whose sum is σ = 547303831680. Its totient is φ = 79680996648.

The previous prime is 242664857041. The next prime is 242664857053. The reversal of 242664857046 is 640758466242.

It is a happy number.

242664857046 is a `hidden beast` number, since 2 + 4 + 2 + 6 + 64 + 8 + 570 + 4 + 6 = 666.

It is a super-2 number, since 2×242664857046² (a number of 24 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 242664856983 and 242664857001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242664857041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33532156 + ... + 33539391.

It is an arithmetic number, because the mean of its divisors is an integer number (17103244740).

Almost surely, 2^242664857046 is an apocalyptic number.

242664857046 is an abundant number, since it is smaller than the sum of its proper divisors (304638974634).

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

242664857046 is a wasteful number, since it uses less digits than its factorization.

242664857046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67071625 (or 67071619 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 54.

The spelling of 242664857046 in words is "two hundred forty-two billion, six hundred sixty-four million, eight hundred fifty-seven thousand, forty-six".