242431130640 has 160 divisors (see below), whose sum is σ = 798464609280. Its totient is φ = 60731983872.

The previous prime is 242431130633. The next prime is 242431130651. The reversal of 242431130640 is 46031134242.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 242431130598 and 242431130607.

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, 213184 + ... + 728223.

It is an arithmetic number, because the mean of its divisors is an integer number (4990403808).

Almost surely, 2^242431130640 is an apocalyptic number.

242431130640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242431130640 is an abundant number, since it is smaller than the sum of its proper divisors (556033478640).

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

242431130640 is a wasteful number, since it uses less digits than its factorization.

242431130640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941489 (or 941483 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 242431130640 its reverse (46031134242), we get a palindrome (288462264882).

The spelling of 242431130640 in words is "two hundred forty-two billion, four hundred thirty-one million, one hundred thirty thousand, six hundred forty".