444442604840 has 64 divisors (see below), whose sum is σ = 1085139538560. Its totient is φ = 162849173760.

The previous prime is 444442604647. The next prime is 444442604843. The reversal of 444442604840 is 48406244444.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 444442604791 and 444442604800.

It is not an unprimeable number, because it can be changed into a prime (444442604843) 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, 3194084 + ... + 3330323.

It is an arithmetic number, because the mean of its divisors is an integer number (16955305290).

Almost surely, 2^444442604840 is an apocalyptic number.

444442604840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

444442604840 is an abundant number, since it is smaller than the sum of its proper divisors (640696933720).

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

444442604840 is a wasteful number, since it uses less digits than its factorization.

444442604840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6524562 (or 6524558 counting only the distinct ones).

The product of its (nonzero) digits is 1572864, while the sum is 44.

The spelling of 444442604840 in words is "four hundred forty-four billion, four hundred forty-two million, six hundred four thousand, eight hundred forty".