449204520 has 32 divisors (see below), whose sum is σ = 1347613920. Its totient is φ = 119787840.

The previous prime is 449204501. The next prime is 449204537. The reversal of 449204520 is 25402944.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1871566 + ... + 1871805.

It is an arithmetic number, because the mean of its divisors is an integer number (42112935).

Almost surely, 2^449204520 is an apocalyptic number.

449204520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

449204520 is an abundant number, since it is smaller than the sum of its proper divisors (898409400).

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

449204520 is a wasteful number, since it uses less digits than its factorization.

449204520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3743385 (or 3743381 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 449204520 is about 21194.4454987622. The cubic root of 449204520 is about 765.8576224866.

The spelling of 449204520 in words is "four hundred forty-nine million, two hundred four thousand, five hundred twenty".