445673028 has 12 divisors (see below), whose sum is σ = 1039903760. Its totient is φ = 148557672.

The previous prime is 445673023. The next prime is 445673051. The reversal of 445673028 is 820376544.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (445673023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18569698 + ... + 18569721.

Almost surely, 2^445673028 is an apocalyptic number.

It is an amenable number.

445673028 is an abundant number, since it is smaller than the sum of its proper divisors (594230732).

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

445673028 is a wasteful number, since it uses less digits than its factorization.

445673028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37139426 (or 37139424 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 39.

The square root of 445673028 is about 21110.9693761324. The cubic root of 445673028 is about 763.8453699648.

The spelling of 445673028 in words is "four hundred forty-five million, six hundred seventy-three thousand, twenty-eight".