444455401 has 16 divisors (see below), whose sum is σ = 495040000. Its totient is φ = 396264960.

The previous prime is 444455393. The next prime is 444455411. The reversal of 444455401 is 104554444.

It is not a de Polignac number, because 444455401 - 2³ = 444455393 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (444455411) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 355225 + ... + 356473.

It is an arithmetic number, because the mean of its divisors is an integer number (30940000).

Almost surely, 2^444455401 is an apocalyptic number.

It is an amenable number.

444455401 is a deficient number, since it is larger than the sum of its proper divisors (50584599).

444455401 is a wasteful number, since it uses less digits than its factorization.

444455401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2176.

The product of its (nonzero) digits is 25600, while the sum is 31.

The square root of 444455401 is about 21082.1109237192. The cubic root of 444455401 is about 763.1490993800.

The spelling of 444455401 in words is "four hundred forty-four million, four hundred fifty-five thousand, four hundred one".