449279956 has 24 divisors (see below), whose sum is σ = 805069440. Its totient is φ = 219285312.

The previous prime is 449279911. The next prime is 449279959. The reversal of 449279956 is 659972944.

It is a junction number, because it is equal to n+sod(n) for n = 449279897 and 449279906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449279959) 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, 73971 + ... + 79813.

It is an arithmetic number, because the mean of its divisors is an integer number (33544560).

Almost surely, 2^449279956 is an apocalyptic number.

It is an amenable number.

449279956 is a deficient number, since it is larger than the sum of its proper divisors (355789484).

449279956 is a wasteful number, since it uses less digits than its factorization.

449279956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6303 (or 6301 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 55.

The square root of 449279956 is about 21196.2250412662. The cubic root of 449279956 is about 765.9004908605.

It can be divided in two parts, 4492 and 79956, that added together give a palindrome (84448).

The spelling of 449279956 in words is "four hundred forty-nine million, two hundred seventy-nine thousand, nine hundred fifty-six".