449215536 has 240 divisors, whose sum is σ = 1496154240. Its totient is φ = 114831360.

The previous prime is 449215517. The next prime is 449215549. The reversal of 449215536 is 635512944.

It is a junction number, because it is equal to n+sod(n) for n = 449215494 and 449215503.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2509495 + ... + 2509673.

It is an arithmetic number, because the mean of its divisors is an integer number (6233976).

Almost surely, 2^449215536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 449215536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (748077120).

449215536 is an abundant number, since it is smaller than the sum of its proper divisors (1046938704).

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

449215536 is a wasteful number, since it uses less digits than its factorization.

449215536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312 (or 299 counting only the distinct ones).

The product of its digits is 129600, while the sum is 39.

The square root of 449215536 is about 21194.7053765793. The cubic root of 449215536 is about 765.8638829005.

The spelling of 449215536 in words is "four hundred forty-nine million, two hundred fifteen thousand, five hundred thirty-six".