444478040 has 32 divisors (see below), whose sum is σ = 1027108080. Its totient is φ = 172985472.

The previous prime is 444478033. The next prime is 444478043. The reversal of 444478040 is 40874444.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444478043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148682 + ... + 151641.

Almost surely, 2^444478040 is an apocalyptic number.

444478040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

444478040 is an abundant number, since it is smaller than the sum of its proper divisors (582630040).

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

444478040 is a wasteful number, since it uses less digits than its factorization.

444478040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300371 (or 300367 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 35.

The square root of 444478040 is about 21082.6478412936. The cubic root of 444478040 is about 763.1620565399.

The spelling of 444478040 in words is "four hundred forty-four million, four hundred seventy-eight thousand, forty".