444623254240045 has 16 divisors (see below), whose sum is σ = 552011576497920. Its totient is φ = 343392398798400.

The previous prime is 444623254240027. The next prime is 444623254240091. The reversal of 444623254240045 is 540042452326444.

It is a happy number.

It is not a de Polignac number, because 444623254240045 - 2⁵ = 444623254240013 is a prime.

It is a super-2 number, since 2×444623254240045² (a number of 30 digits) contains 22 as substring.

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, 180628251 + ... + 183073240.

It is an arithmetic number, because the mean of its divisors is an integer number (34500723531120).

Almost surely, 2^{444623254240045} is an apocalyptic number.

It is an amenable number.

444623254240045 is a deficient number, since it is larger than the sum of its proper divisors (107388322257875).

444623254240045 is a wasteful number, since it uses less digits than its factorization.

444623254240045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363709956.

The product of its (nonzero) digits is 14745600, while the sum is 49.

The spelling of 444623254240045 in words is "four hundred forty-four trillion, six hundred twenty-three billion, two hundred fifty-four million, two hundred forty thousand, forty-five".