444428376 has 64 divisors (see below), whose sum is σ = 1272084480. Its totient is φ = 126750720.

The previous prime is 444428363. The next prime is 444428377. The reversal of 444428376 is 673824444.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444428377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105625 + ... + 109751.

It is an arithmetic number, because the mean of its divisors is an integer number (19876320).

Almost surely, 2^444428376 is an apocalyptic number.

It is an amenable number.

444428376 is an abundant number, since it is smaller than the sum of its proper divisors (827656104).

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

444428376 is a wasteful number, since it uses less digits than its factorization.

444428376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4784 (or 4780 counting only the distinct ones).

The product of its digits is 516096, while the sum is 42.

The square root of 444428376 is about 21081.4699677228. The cubic root of 444428376 is about 763.1336313694.

The spelling of 444428376 in words is "four hundred forty-four million, four hundred twenty-eight thousand, three hundred seventy-six".