447040788 has 24 divisors (see below), whose sum is σ = 1088447808. Its totient is φ = 142534656.

The previous prime is 447040729. The next prime is 447040793. The reversal of 447040788 is 887040744.

It is a super-2 number, since 2×447040788² = 399690932271321888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 809581 + ... + 810132.

It is an arithmetic number, because the mean of its divisors is an integer number (45351992).

Almost surely, 2^447040788 is an apocalyptic number.

It is an amenable number.

447040788 is an abundant number, since it is smaller than the sum of its proper divisors (641407020).

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

447040788 is a wasteful number, since it uses less digits than its factorization.

447040788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1619743 (or 1619741 counting only the distinct ones).

The product of its (nonzero) digits is 200704, while the sum is 42.

The square root of 447040788 is about 21143.3390929626. The cubic root of 447040788 is about 764.6259797526.

The spelling of 447040788 in words is "four hundred forty-seven million, forty thousand, seven hundred eighty-eight".