442430120321310 has 128 divisors (see below), whose sum is σ = 1195157870069760. Its totient is φ = 103900040524800.

The previous prime is 442430120321303. The next prime is 442430120321347. The reversal of 442430120321310 is 13123021034244.

It is a super-2 number, since 2×442430120321310² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 158720671 + ... + 161484090.

It is an arithmetic number, because the mean of its divisors is an integer number (9337170859920).

Almost surely, 2^{442430120321310} is an apocalyptic number.

442430120321310 is an abundant number, since it is smaller than the sum of its proper divisors (752727749748450).

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

442430120321310 is a wasteful number, since it uses less digits than its factorization.

442430120321310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320204914.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 442430120321310 its reverse (13123021034244), we get a palindrome (455553141355554).

The spelling of 442430120321310 in words is "four hundred forty-two trillion, four hundred thirty billion, one hundred twenty million, three hundred twenty-one thousand, three hundred ten".