449513940 has 48 divisors (see below), whose sum is σ = 1260258048. Its totient is φ = 119716224.

The previous prime is 449513927. The next prime is 449513957. The reversal of 449513940 is 49315944.

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, 46789 + ... + 55571.

It is an arithmetic number, because the mean of its divisors is an integer number (26255376).

Almost surely, 2^449513940 is an apocalyptic number.

It is an amenable number.

449513940 is an abundant number, since it is smaller than the sum of its proper divisors (810744108).

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

449513940 is a wasteful number, since it uses less digits than its factorization.

449513940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9648 (or 9646 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 449513940 is about 21201.7437962070. The cubic root of 449513940 is about 766.0334275418.

The spelling of 449513940 in words is "four hundred forty-nine million, five hundred thirteen thousand, nine hundred forty".