449990036 has 12 divisors (see below), whose sum is σ = 787930080. Its totient is φ = 224867160.

The previous prime is 449990033. The next prime is 449990131. The reversal of 449990036 is 630099944.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449990033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23816 + ... + 38303.

It is an arithmetic number, because the mean of its divisors is an integer number (65660840).

Almost surely, 2^449990036 is an apocalyptic number.

It is an amenable number.

449990036 is a deficient number, since it is larger than the sum of its proper divisors (337940044).

449990036 is a wasteful number, since it uses less digits than its factorization.

449990036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63934 (or 63932 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 44.

The square root of 449990036 is about 21212.9685805641. The cubic root of 449990036 is about 766.3037764206.

The spelling of 449990036 in words is "four hundred forty-nine million, nine hundred ninety thousand, thirty-six".