242455554520320 has 72 divisors (see below), whose sum is σ = 774342427261536. Its totient is φ = 64654814537728.

The previous prime is 242455554520253. The next prime is 242455554520331. The reversal of 242455554520320 is 23025455554242.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 242455554520320.

It is a congruent number.

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, 31569729822 + ... + 31569737501.

It is an arithmetic number, because the mean of its divisors is an integer number (10754755934188).

Almost surely, 2^{242455554520320} is an apocalyptic number.

242455554520320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242455554520320 is an abundant number, since it is smaller than the sum of its proper divisors (531886872741216).

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

242455554520320 is an equidigital number, since it uses as much as digits as its factorization.

242455554520320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63139467347 (or 63139467333 counting only the distinct ones).

The product of its (nonzero) digits is 9600000, while the sum is 48.

The spelling of 242455554520320 in words is "two hundred forty-two trillion, four hundred fifty-five billion, five hundred fifty-four million, five hundred twenty thousand, three hundred twenty".