444214040 has 16 divisors (see below), whose sum is σ = 999481680. Its totient is φ = 177685600.

The previous prime is 444214039. The next prime is 444214079. The reversal of 444214040 is 40412444.

It is a super-2 number, since 2×444214040² = 394652226666243200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 444213997 and 444214015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5552636 + ... + 5552715.

It is an arithmetic number, because the mean of its divisors is an integer number (62467605).

Almost surely, 2^444214040 is an apocalyptic number.

444214040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

444214040 is an abundant number, since it is smaller than the sum of its proper divisors (555267640).

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

444214040 is a wasteful number, since it uses less digits than its factorization.

444214040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11105362 (or 11105358 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 444214040 is about 21076.3858381839. The cubic root of 444214040 is about 763.0109319496.

Adding to 444214040 its reverse (40412444), we get a palindrome (484626484).

The spelling of 444214040 in words is "four hundred forty-four million, two hundred fourteen thousand, forty".