449240763 has 4 divisors (see below), whose sum is σ = 598987688. Its totient is φ = 299493840.

The previous prime is 449240749. The next prime is 449240797. The reversal of 449240763 is 367042944.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 449240763 - 2⁶ = 449240699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (449240713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74873458 + ... + 74873463.

It is an arithmetic number, because the mean of its divisors is an integer number (149746922).

Almost surely, 2^449240763 is an apocalyptic number.

449240763 is a deficient number, since it is larger than the sum of its proper divisors (149746925).

449240763 is a wasteful number, since it uses less digits than its factorization.

449240763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149746924.

The product of its (nonzero) digits is 145152, while the sum is 39.

The square root of 449240763 is about 21195.3004932697. The cubic root of 449240763 is about 765.8782190673.

The spelling of 449240763 in words is "four hundred forty-nine million, two hundred forty thousand, seven hundred sixty-three".