449722401 has 16 divisors (see below), whose sum is σ = 621691200. Its totient is φ = 288830528.

The previous prime is 449722349. The next prime is 449722417. The reversal of 449722401 is 104227944.

It is a cyclic number.

It is not a de Polignac number, because 449722401 - 2¹⁵ = 449689633 is a prime.

It is a super-2 number, since 2×449722401² = 404500475922409602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (449722421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35095 + ... + 46163.

It is an arithmetic number, because the mean of its divisors is an integer number (38855700).

Almost surely, 2^449722401 is an apocalyptic number.

It is an amenable number.

449722401 is a deficient number, since it is larger than the sum of its proper divisors (171968799).

449722401 is a wasteful number, since it uses less digits than its factorization.

449722401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11568.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 449722401 is about 21206.6593550234. The cubic root of 449722401 is about 766.1518246233.

The spelling of 449722401 in words is "four hundred forty-nine million, seven hundred twenty-two thousand, four hundred one".