449726424 has 64 divisors (see below), whose sum is σ = 1326397440. Its totient is φ = 124346880.

The previous prime is 449726423. The next prime is 449726467. The reversal of 449726424 is 424627944.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449726423) 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, 37969 + ... + 48384.

It is an arithmetic number, because the mean of its divisors is an integer number (20724960).

Almost surely, 2^449726424 is an apocalyptic number.

It is an amenable number.

449726424 is an abundant number, since it is smaller than the sum of its proper divisors (876671016).

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

449726424 is a wasteful number, since it uses less digits than its factorization.

449726424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86400 (or 86396 counting only the distinct ones).

The product of its digits is 387072, while the sum is 42.

The square root of 449726424 is about 21206.7542070917. The cubic root of 449726424 is about 766.1541091582.

The spelling of 449726424 in words is "four hundred forty-nine million, seven hundred twenty-six thousand, four hundred twenty-four".