444406740 has 24 divisors (see below), whose sum is σ = 1244339040. Its totient is φ = 118508448.

The previous prime is 444406733. The next prime is 444406783. The reversal of 444406740 is 47604444.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3703330 + ... + 3703449.

It is an arithmetic number, because the mean of its divisors is an integer number (51847460).

Almost surely, 2^444406740 is an apocalyptic number.

It is an amenable number.

444406740 is an abundant number, since it is smaller than the sum of its proper divisors (799932300).

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

444406740 is a wasteful number, since it uses less digits than its factorization.

444406740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7406791 (or 7406789 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 33.

The square root of 444406740 is about 21080.9568094050. The cubic root of 444406740 is about 763.1212473513.

The spelling of 444406740 in words is "four hundred forty-four million, four hundred six thousand, seven hundred forty".