444497412440 has 32 divisors (see below), whose sum is σ = 1000151606160. Its totient is φ = 177793200000.

The previous prime is 444497412431. The next prime is 444497412451. The reversal of 444497412440 is 44214794444.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1199315 + ... + 1525565.

Almost surely, 2^444497412440 is an apocalyptic number.

444497412440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

444497412440 is an abundant number, since it is smaller than the sum of its proper divisors (555654193720).

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

444497412440 is a wasteful number, since it uses less digits than its factorization.

444497412440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360323 (or 360319 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 47.

The spelling of 444497412440 in words is "four hundred forty-four billion, four hundred ninety-seven million, four hundred twelve thousand, four hundred forty".