449180903028 has 144 divisors (see below), whose sum is σ = 1242501398208. Its totient is φ = 125457446400.

The previous prime is 449180903009. The next prime is 449180903069. The reversal of 449180903028 is 820309081944.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12874888 + ... + 12909728.

It is an arithmetic number, because the mean of its divisors is an integer number (8628481932).

Almost surely, 2^449180903028 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 449180903028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (621250699104).

449180903028 is an abundant number, since it is smaller than the sum of its proper divisors (793320495180).

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

449180903028 is a wasteful number, since it uses less digits than its factorization.

449180903028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35566 (or 35553 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 48.

The spelling of 449180903028 in words is "four hundred forty-nine billion, one hundred eighty million, nine hundred three thousand, twenty-eight".