442099452 has 36 divisors (see below), whose sum is σ = 1048859448. Its totient is φ = 144936000.

The previous prime is 442099409. The next prime is 442099457. The reversal of 442099452 is 254990244.

It is a self number, because there is not a number n which added to its sum of digits gives 442099452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442099457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39702 + ... + 49602.

Almost surely, 2^442099452 is an apocalyptic number.

It is an amenable number.

442099452 is an abundant number, since it is smaller than the sum of its proper divisors (606759996).

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

442099452 is a wasteful number, since it uses less digits than its factorization.

442099452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10030 (or 9967 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 442099452 is about 21026.1611332169. The cubic root of 442099452 is about 761.7982877609.

The spelling of 442099452 in words is "four hundred forty-two million, ninety-nine thousand, four hundred fifty-two".