445123672042 has 16 divisors (see below), whose sum is σ = 763143247872. Its totient is φ = 190748764080.

The previous prime is 445123672033. The next prime is 445123672043. The reversal of 445123672042 is 240276321544.

It is a junction number, because it is equal to n+sod(n) for n = 445123671986 and 445123672004.

It is not an unprimeable number, because it can be changed into a prime (445123672043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1393834 + ... + 1683157.

It is an arithmetic number, because the mean of its divisors is an integer number (47696452992).

Almost surely, 2^445123672042 is an apocalyptic number.

445123672042 is a deficient number, since it is larger than the sum of its proper divisors (318019575830).

445123672042 is a wasteful number, since it uses less digits than its factorization.

445123672042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3087333.

The product of its (nonzero) digits is 322560, while the sum is 40.

Adding to 445123672042 its reverse (240276321544), we get a palindrome (685399993586).

The spelling of 445123672042 in words is "four hundred forty-five billion, one hundred twenty-three million, six hundred seventy-two thousand, forty-two".