242661261630 has 32 divisors (see below), whose sum is σ = 582416196768. Its totient is φ = 64706428800.

The previous prime is 242661261617. The next prime is 242661261641. The reversal of 242661261630 is 36162166242.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 439800 + ... + 823860.

It is an arithmetic number, because the mean of its divisors is an integer number (18200506149).

Almost surely, 2^242661261630 is an apocalyptic number.

242661261630 is an abundant number, since it is smaller than the sum of its proper divisors (339754935138).

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

242661261630 is a wasteful number, since it uses less digits than its factorization.

242661261630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405132.

The product of its (nonzero) digits is 124416, while the sum is 39.

The spelling of 242661261630 in words is "two hundred forty-two billion, six hundred sixty-one million, two hundred sixty-one thousand, six hundred thirty".