447391140 has 48 divisors (see below), whose sum is σ = 1431652992. Its totient is φ = 102260736.

The previous prime is 447391129. The next prime is 447391151. The reversal of 447391140 is 41193744.

It is an interprime number because it is at equal distance from previous prime (447391129) and next prime (447391151).

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, 532189 + ... + 533028.

It is an arithmetic number, because the mean of its divisors is an integer number (29826104).

Almost surely, 2^447391140 is an apocalyptic number.

It is an amenable number.

447391140 is an abundant number, since it is smaller than the sum of its proper divisors (984261852).

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

447391140 is a wasteful number, since it uses less digits than its factorization.

447391140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065236 (or 1065234 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 447391140 is about 21151.6226327911. The cubic root of 447391140 is about 764.8256768841.

The spelling of 447391140 in words is "four hundred forty-seven million, three hundred ninety-one thousand, one hundred forty".