449752542 has 16 divisors (see below), whose sum is σ = 900398352. Its totient is φ = 149768640.

The previous prime is 449752519. The next prime is 449752547. The reversal of 449752542 is 245257944.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 449752494 and 449752503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449752547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30583 + ... + 42834.

It is an arithmetic number, because the mean of its divisors is an integer number (56274897).

Almost surely, 2^449752542 is an apocalyptic number.

449752542 is an abundant number, since it is smaller than the sum of its proper divisors (450645810).

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

449752542 is a wasteful number, since it uses less digits than its factorization.

449752542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74443.

The product of its digits is 403200, while the sum is 42.

The square root of 449752542 is about 21207.3699925285. The cubic root of 449752542 is about 766.1689404160.

The spelling of 449752542 in words is "four hundred forty-nine million, seven hundred fifty-two thousand, five hundred forty-two".