444002406 has 16 divisors (see below), whose sum is σ = 889180848. Its totient is φ = 147804800.

The previous prime is 444002387. The next prime is 444002411. The reversal of 444002406 is 604200444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44055 + ... + 53186.

It is an arithmetic number, because the mean of its divisors is an integer number (55573803).

Almost surely, 2^444002406 is an apocalyptic number.

444002406 is an abundant number, since it is smaller than the sum of its proper divisors (445178442).

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

444002406 is a wasteful number, since it uses less digits than its factorization.

444002406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98007.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 444002406 is about 21071.3645974816. The cubic root of 444002406 is about 762.8897405929.

The spelling of 444002406 in words is "four hundred forty-four million, two thousand, four hundred six".