445398460 has 24 divisors (see below), whose sum is σ = 1007286336. Its totient is φ = 164454720.

The previous prime is 445398451. The next prime is 445398463. The reversal of 445398460 is 64893544.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445398463) 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, 856276 + ... + 856795.

It is an arithmetic number, because the mean of its divisors is an integer number (41970264).

Almost surely, 2^445398460 is an apocalyptic number.

It is an amenable number.

445398460 is an abundant number, since it is smaller than the sum of its proper divisors (561887876).

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

445398460 is a wasteful number, since it uses less digits than its factorization.

445398460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1713093 (or 1713091 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 43.

The square root of 445398460 is about 21104.4654042693. The cubic root of 445398460 is about 763.6884757349.

The spelling of 445398460 in words is "four hundred forty-five million, three hundred ninety-eight thousand, four hundred sixty".