449949025980 has 48 divisors (see below), whose sum is σ = 1399841415840. Its totient is φ = 119986406784.

The previous prime is 449949025969. The next prime is 449949025997. The reversal of 449949025980 is 89520949944.

449949025980 is a `hidden beast` number, since 4 + 4 + 99 + 490 + 2 + 59 + 8 + 0 = 666.

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, 416618929 + ... + 416620008.

It is an arithmetic number, because the mean of its divisors is an integer number (29163362830).

Almost surely, 2^449949025980 is an apocalyptic number.

It is an amenable number.

449949025980 is an abundant number, since it is smaller than the sum of its proper divisors (949892389860).

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

449949025980 is a wasteful number, since it uses less digits than its factorization.

449949025980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833238955 (or 833238947 counting only the distinct ones).

The product of its (nonzero) digits is 33592320, while the sum is 63.

The spelling of 449949025980 in words is "four hundred forty-nine billion, nine hundred forty-nine million, twenty-five thousand, nine hundred eighty".