242809958424 has 128 divisors (see below), whose sum is σ = 719548416000. Its totient is φ = 67457577600.

The previous prime is 242809958407. The next prime is 242809958453. The reversal of 242809958424 is 424859908242.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

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, 625264 + ... + 936255.

It is an arithmetic number, because the mean of its divisors is an integer number (5621472000).

Almost surely, 2^242809958424 is an apocalyptic number.

242809958424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

242809958424 is an abundant number, since it is smaller than the sum of its proper divisors (476738457576).

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

242809958424 is a wasteful number, since it uses less digits than its factorization.

242809958424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561589 (or 1561585 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 57.

The spelling of 242809958424 in words is "two hundred forty-two billion, eight hundred nine million, nine hundred fifty-eight thousand, four hundred twenty-four".