444862642 has 32 divisors (see below), whose sum is σ = 799932672. Its totient is φ = 181414464.

The previous prime is 444862633. The next prime is 444862643. The reversal of 444862642 is 246268444.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 444862595 and 444862604.

It is not an unprimeable number, because it can be changed into a prime (444862643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59928 + ... + 66940.

It is an arithmetic number, because the mean of its divisors is an integer number (24997896).

Almost surely, 2^444862642 is an apocalyptic number.

444862642 is a deficient number, since it is larger than the sum of its proper divisors (355070030).

444862642 is a wasteful number, since it uses less digits than its factorization.

444862642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7242.

The product of its digits is 294912, while the sum is 40.

The square root of 444862642 is about 21091.7671616202. The cubic root of 444862642 is about 763.3821116828.

The spelling of 444862642 in words is "four hundred forty-four million, eight hundred sixty-two thousand, six hundred forty-two".