449144892 has 48 divisors (see below), whose sum is σ = 1330801920. Its totient is φ = 128326896.

The previous prime is 449144881. The next prime is 449144911. The reversal of 449144892 is 298441944.

It is a super-2 number, since 2×449144892² = 403462268019383328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 296298 + ... + 297809.

It is an arithmetic number, because the mean of its divisors is an integer number (27725040).

Almost surely, 2^449144892 is an apocalyptic number.

449144892 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

449144892 is an abundant number, since it is smaller than the sum of its proper divisors (881657028).

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

449144892 is a wasteful number, since it uses less digits than its factorization.

449144892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594127 (or 594119 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 449144892 is about 21193.0387627636. The cubic root of 449144892 is about 765.8237340037.

The spelling of 449144892 in words is "four hundred forty-nine million, one hundred forty-four thousand, eight hundred ninety-two".