444100380 has 48 divisors (see below), whose sum is σ = 1246590240. Its totient is φ = 118130688.

The previous prime is 444100361. The next prime is 444100411. The reversal of 444100380 is 83001444.

It is a super-2 number, since 2×444100380² = 394450295032288800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 444100380.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15492 + ... + 33588.

It is an arithmetic number, because the mean of its divisors is an integer number (25970630).

Almost surely, 2^444100380 is an apocalyptic number.

It is an amenable number.

444100380 is an abundant number, since it is smaller than the sum of its proper divisors (802489860).

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

444100380 is a wasteful number, since it uses less digits than its factorization.

444100380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18518 (or 18516 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 444100380 is about 21073.6892830847. The cubic root of 444100380 is about 762.9458497952.

The spelling of 444100380 in words is "four hundred forty-four million, one hundred thousand, three hundred eighty".