449119782 has 32 divisors (see below), whose sum is σ = 1000913760. Its totient is φ = 149276160.

The previous prime is 449119763. The next prime is 449119789. The reversal of 449119782 is 287911944.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449119789) 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, 7282 + ... + 30842.

It is an arithmetic number, because the mean of its divisors is an integer number (31278555).

Almost surely, 2^449119782 is an apocalyptic number.

449119782 is an abundant number, since it is smaller than the sum of its proper divisors (551793978).

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

449119782 is a wasteful number, since it uses less digits than its factorization.

449119782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23925 (or 23919 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 449119782 is about 21192.4463429780. The cubic root of 449119782 is about 765.8094622972.

The spelling of 449119782 in words is "four hundred forty-nine million, one hundred nineteen thousand, seven hundred eighty-two".