449478134 has 32 divisors (see below), whose sum is σ = 810216000. Its totient is φ = 182931840.

The previous prime is 449478119. The next prime is 449478149. The reversal of 449478134 is 431874944.

It is an interprime number because it is at equal distance from previous prime (449478119) and next prime (449478149).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 15692 + ... + 33840.

It is an arithmetic number, because the mean of its divisors is an integer number (25319250).

Almost surely, 2^449478134 is an apocalyptic number.

449478134 is a deficient number, since it is larger than the sum of its proper divisors (360737866).

449478134 is a wasteful number, since it uses less digits than its factorization.

449478134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18248.

The product of its digits is 387072, while the sum is 44.

The square root of 449478134 is about 21200.8993677155. The cubic root of 449478134 is about 766.0130875562.

It can be divided in two parts, 4494 and 78134, that added together give a palindrome (82628).

The spelling of 449478134 in words is "four hundred forty-nine million, four hundred seventy-eight thousand, one hundred thirty-four".