242644264642 has 16 divisors (see below), whose sum is σ = 391974783480. Its totient is φ = 111986525952.

The previous prime is 242644264613. The next prime is 242644264703. The reversal of 242644264642 is 246462446242.

It can be written as a sum of positive squares in 4 ways, for example, as 82995271921 + 159648992721 = 288089^2 + 399561^2 .

It is a junction number, because it is equal to n+sod(n) for n = 242644264592 and 242644264601.

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, 1001178 + ... + 1219690.

Almost surely, 2^242644264642 is an apocalyptic number.

242644264642 is a deficient number, since it is larger than the sum of its proper divisors (149330518838).

242644264642 is a wasteful number, since it uses less digits than its factorization.

242644264642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261237.

The product of its digits is 3538944, while the sum is 46.

The spelling of 242644264642 in words is "two hundred forty-two billion, six hundred forty-four million, two hundred sixty-four thousand, six hundred forty-two".