447145144628 has 48 divisors (see below), whose sum is σ = 964570892544. Its totient is φ = 176619087360.

The previous prime is 447145144619. The next prime is 447145144637. The reversal of 447145144628 is 826441541744.

It is an interprime number because it is at equal distance from previous prime (447145144619) and next prime (447145144637).

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, 713813 + ... + 1184828.

It is an arithmetic number, because the mean of its divisors is an integer number (20095226928).

Almost surely, 2^447145144628 is an apocalyptic number.

It is an amenable number.

447145144628 is an abundant number, since it is smaller than the sum of its proper divisors (517425747916).

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

447145144628 is a wasteful number, since it uses less digits than its factorization.

447145144628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1899312 (or 1899310 counting only the distinct ones).

The product of its digits is 3440640, while the sum is 50.

The spelling of 447145144628 in words is "four hundred forty-seven billion, one hundred forty-five million, one hundred forty-four thousand, six hundred twenty-eight".