449401392 has 160 divisors (see below), whose sum is σ = 1490261760. Its totient is φ = 128148480.

The previous prime is 449401343. The next prime is 449401423. The reversal of 449401392 is 293104944.

It is a super-2 number, since 2×449401392² = 403923222263075328, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78003 + ... + 83565.

It is an arithmetic number, because the mean of its divisors is an integer number (9314136).

Almost surely, 2^449401392 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 449401392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (745130880).

449401392 is an abundant number, since it is smaller than the sum of its proper divisors (1040860368).

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

449401392 is a wasteful number, since it uses less digits than its factorization.

449401392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5608 (or 5596 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 449401392 is about 21199.0894144065. The cubic root of 449401392 is about 765.9694897941.

The spelling of 449401392 in words is "four hundred forty-nine million, four hundred one thousand, three hundred ninety-two".