442125305412 has 48 divisors (see below), whose sum is σ = 1179185078400. Its totient is φ = 126301773312.

The previous prime is 442125305399. The next prime is 442125305443. The reversal of 442125305412 is 214503521244.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133638 + ... + 949794.

It is an arithmetic number, because the mean of its divisors is an integer number (24566355800).

Almost surely, 2^442125305412 is an apocalyptic number.

442125305412 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

442125305412 is an abundant number, since it is smaller than the sum of its proper divisors (737059772988).

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

442125305412 is a wasteful number, since it uses less digits than its factorization.

442125305412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822620 (or 822618 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 442125305412 its reverse (214503521244), we get a palindrome (656628826656).

The spelling of 442125305412 in words is "four hundred forty-two billion, one hundred twenty-five million, three hundred five thousand, four hundred twelve".