449319942 has 48 divisors (see below), whose sum is σ = 1026558000. Its totient is φ = 141642432.

The previous prime is 449319931. The next prime is 449319947. The reversal of 449319942 is 249913944.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449319947) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 364984 + ... + 366212.

It is an arithmetic number, because the mean of its divisors is an integer number (21386625).

Almost surely, 2^449319942 is an apocalyptic number.

449319942 is an abundant number, since it is smaller than the sum of its proper divisors (577238058).

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

449319942 is a wasteful number, since it uses less digits than its factorization.

449319942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2325 (or 2322 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 449319942 is about 21197.1682542740. The cubic root of 449319942 is about 765.9232119487.

The spelling of 449319942 in words is "four hundred forty-nine million, three hundred nineteen thousand, nine hundred forty-two".