449180046 has 32 divisors (see below), whose sum is σ = 1140775680. Its totient is φ = 128337048.

The previous prime is 449180033. The next prime is 449180071. The reversal of 449180046 is 640081944.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 593776 + ... + 594531.

It is an arithmetic number, because the mean of its divisors is an integer number (35649240).

Almost surely, 2^449180046 is an apocalyptic number.

449180046 is an abundant number, since it is smaller than the sum of its proper divisors (691595634).

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

449180046 is a wasteful number, since it uses less digits than its factorization.

449180046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1188325 (or 1188319 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 449180046 is about 21193.8681226434. The cubic root of 449180046 is about 765.8437134994.

The spelling of 449180046 in words is "four hundred forty-nine million, one hundred eighty thousand, forty-six".