449736804 has 36 divisors (see below), whose sum is σ = 1240184400. Its totient is φ = 136283760.

The previous prime is 449736797. The next prime is 449736823. The reversal of 449736804 is 408637944.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 449736804.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 567454 + ... + 568245.

Almost surely, 2^449736804 is an apocalyptic number.

449736804 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

449736804 is an abundant number, since it is smaller than the sum of its proper divisors (790447596).

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

449736804 is a wasteful number, since it uses less digits than its factorization.

449736804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135720 (or 1135715 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The square root of 449736804 is about 21206.9989390295. The cubic root of 449736804 is about 766.1600035702.

Adding to 449736804 its sum of digits (45), we get a square (449736849 = 21207²).

The spelling of 449736804 in words is "four hundred forty-nine million, seven hundred thirty-six thousand, eight hundred four".