444232420392 has 16 divisors (see below), whose sum is σ = 1110581051040. Its totient is φ = 148077473456.

The previous prime is 444232420391. The next prime is 444232420427. The reversal of 444232420392 is 293024232444.

It is a self number, because there is not a number n which added to its sum of digits gives 444232420392.

It is not an unprimeable number, because it can be changed into a prime (444232420391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9254842068 + ... + 9254842115.

It is an arithmetic number, because the mean of its divisors is an integer number (69411315690).

Almost surely, 2^444232420392 is an apocalyptic number.

It is an amenable number.

444232420392 is an abundant number, since it is smaller than the sum of its proper divisors (666348630648).

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

444232420392 is a wasteful number, since it uses less digits than its factorization.

444232420392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18509684192 (or 18509684188 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 39.

The spelling of 444232420392 in words is "four hundred forty-four billion, two hundred thirty-two million, four hundred twenty thousand, three hundred ninety-two".