242220452460 has 144 divisors (see below), whose sum is σ = 823248873216. Its totient is φ = 52957500288.

The previous prime is 242220452417. The next prime is 242220452471. The reversal of 242220452460 is 64254022242.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1723422 + ... + 1858661.

It is an arithmetic number, because the mean of its divisors is an integer number (5717006064).

Almost surely, 2^242220452460 is an apocalyptic number.

242220452460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242220452460 is an abundant number, since it is smaller than the sum of its proper divisors (581028420756).

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

242220452460 is a wasteful number, since it uses less digits than its factorization.

242220452460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3582132 (or 3582123 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 33.

The spelling of 242220452460 in words is "two hundred forty-two billion, two hundred twenty million, four hundred fifty-two thousand, four hundred sixty".