442352460 has 48 divisors (see below), whose sum is σ = 1351187712. Its totient is φ = 107236800.

The previous prime is 442352459. The next prime is 442352467. The reversal of 442352460 is 64253244.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (442352467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334456 + ... + 335775.

It is an arithmetic number, because the mean of its divisors is an integer number (28149744).

Almost surely, 2^442352460 is an apocalyptic number.

It is an amenable number.

442352460 is an abundant number, since it is smaller than the sum of its proper divisors (908835252).

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

442352460 is a wasteful number, since it uses less digits than its factorization.

442352460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670254 (or 670252 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 442352460 is about 21032.1767774998. The cubic root of 442352460 is about 761.9435825991.

The spelling of 442352460 in words is "four hundred forty-two million, three hundred fifty-two thousand, four hundred sixty".