449948491524 has 81 divisors (see below), whose sum is σ = 1323145673031. Its totient is φ = 128548662480.

The previous prime is 449948491511. The next prime is 449948491543. The reversal of 449948491524 is 425194849944.

The square root of 449948491524 is 670782.

It is a perfect power (a square), and thus also a powerful number.

449948491524 is a `hidden beast` number, since 4 + 4 + 9 + 94 + 8 + 491 + 52 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 28164859 + ... + 28180829.

Almost surely, 2^449948491524 is an apocalyptic number.

449948491524 is the 670782-nd square number.

It is an amenable number.

449948491524 is an abundant number, since it is smaller than the sum of its proper divisors (873197181507).

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

449948491524 is an equidigital number, since it uses as much as digits as its factorization.

449948491524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31966 (or 15983 counting only the distinct ones).

The product of its digits is 59719680, while the sum is 63.

The spelling of 449948491524 in words is "four hundred forty-nine billion, nine hundred forty-eight million, four hundred ninety-one thousand, five hundred twenty-four".