449914531 has 16 divisors (see below), whose sum is σ = 499685760. Its totient is φ = 401681920.

The previous prime is 449914519. The next prime is 449914541. The reversal of 449914531 is 135419944.

It is a cyclic number.

It is not a de Polignac number, because 449914531 - 2¹⁹ = 449390243 is a prime.

It is a super-2 number, since 2×449914531² = 404846170409899922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (449914511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162051 + ... + 164803.

It is an arithmetic number, because the mean of its divisors is an integer number (31230360).

Almost surely, 2^449914531 is an apocalyptic number.

449914531 is a deficient number, since it is larger than the sum of its proper divisors (49771229).

449914531 is a wasteful number, since it uses less digits than its factorization.

449914531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3026.

The product of its digits is 77760, while the sum is 40.

The square root of 449914531 is about 21211.1888162828. The cubic root of 449914531 is about 766.2609139877.

The spelling of 449914531 in words is "four hundred forty-nine million, nine hundred fourteen thousand, five hundred thirty-one".