449374780 has 24 divisors (see below), whose sum is σ = 947369808. Its totient is φ = 179048448.

The previous prime is 449374747. The next prime is 449374781. The reversal of 449374780 is 87473944.

It is a self number, because there is not a number n which added to its sum of digits gives 449374780.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449374781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38574 + ... + 48853.

It is an arithmetic number, because the mean of its divisors is an integer number (39473742).

Almost surely, 2^449374780 is an apocalyptic number.

It is an amenable number.

449374780 is an abundant number, since it is smaller than the sum of its proper divisors (497995028).

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

449374780 is a wasteful number, since it uses less digits than its factorization.

449374780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87693 (or 87691 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 46.

The square root of 449374780 is about 21198.4617366449. The cubic root of 449374780 is about 765.9543701388.

The spelling of 449374780 in words is "four hundred forty-nine million, three hundred seventy-four thousand, seven hundred eighty".