449651895 has 64 divisors (see below), whose sum is σ = 909425664. Its totient is φ = 184273920.

The previous prime is 449651857. The next prime is 449651911. The reversal of 449651895 is 598156944.

It is not a de Polignac number, because 449651895 - 2¹² = 449647799 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 81649 + ... + 86981.

It is an arithmetic number, because the mean of its divisors is an integer number (14209776).

Almost surely, 2^449651895 is an apocalyptic number.

449651895 is an abundant number, since it is smaller than the sum of its proper divisors (459773769).

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

449651895 is a wasteful number, since it uses less digits than its factorization.

449651895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5432.

The product of its digits is 1555200, while the sum is 51.

The square root of 449651895 is about 21204.9969346850. The cubic root of 449651895 is about 766.1117842757. Note that the first 3 decimals are identical.

The spelling of 449651895 in words is "four hundred forty-nine million, six hundred fifty-one thousand, eight hundred ninety-five".