242320422400 has 120 divisors (see below), whose sum is σ = 686134856880. Its totient is φ = 83081256960.

The previous prime is 242320422367. The next prime is 242320422457. The reversal of 242320422400 is 4224023242.

It is a super-2 number, since 2×242320422400² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1262635 + ... + 1441834.

It is an arithmetic number, because the mean of its divisors is an integer number (5717790474).

Almost surely, 2^242320422400 is an apocalyptic number.

242320422400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242320422400 is an abundant number, since it is smaller than the sum of its proper divisors (443814434480).

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

242320422400 is an equidigital number, since it uses as much as digits as its factorization.

242320422400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2704504 (or 2704483 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 242320422400 its reverse (4224023242), we get a palindrome (246544445642).

The spelling of 242320422400 in words is "two hundred forty-two billion, three hundred twenty million, four hundred twenty-two thousand, four hundred".