242320422399 has 24 divisors (see below), whose sum is σ = 355664316336. Its totient is φ = 146642496000.

The previous prime is 242320422367. The next prime is 242320422457. The reversal of 242320422399 is 993224023242.

It is not a de Polignac number, because 242320422399 - 2⁵ = 242320422367 is a prime.

It is a super-2 number, since 2×242320422399² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 242320422399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242320422319) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 251652 + ... + 740249.

It is an arithmetic number, because the mean of its divisors is an integer number (14819346514).

Almost surely, 2^242320422399 is an apocalyptic number.

242320422399 is a deficient number, since it is larger than the sum of its proper divisors (113343893937).

242320422399 is a wasteful number, since it uses less digits than its factorization.

242320422399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992599 (or 992588 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 42.

The spelling of 242320422399 in words is "two hundred forty-two billion, three hundred twenty million, four hundred twenty-two thousand, three hundred ninety-nine".