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BaseRepresentation
bin11010110000111…
…001100110001000
31011021220220110220
4122300321212020
51404422321230
6112320110040
714061442662
oct3260714610
91137826426
10449026440
11210511235
12106465320
1372048825
14438c7532
1529649d10
hex1ac39988

449026440 has 128 divisors (see below), whose sum is σ = 1440840960. Its totient is φ = 111550464.

The previous prime is 449026439. The next prime is 449026451. The reversal of 449026440 is 44620944.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 209052 + ... + 211188.

It is an arithmetic number, because the mean of its divisors is an integer number (11256570).

Almost surely, 2449026440 is an apocalyptic number.

449026440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 449026440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (720420480).

449026440 is an abundant number, since it is smaller than the sum of its proper divisors (991814520).

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

449026440 is a wasteful number, since it uses less digits than its factorization.

449026440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2271 (or 2267 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 449026440 is about 21190.2439816063. The cubic root of 449026440 is about 765.7564050784.

The spelling of 449026440 in words is "four hundred forty-nine million, twenty-six thousand, four hundred forty".