454495440 has 160 divisors (see below), whose sum is σ = 1627395840. Its totient is φ = 102776832.

The previous prime is 454495427. The next prime is 454495441. The reversal of 454495440 is 44594454.

It is a super-2 number, since 2×454495440² = 413132209961587200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454495441) 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 31 ways as a sum of consecutive naturals, for example, 161566 + ... + 164354.

It is an arithmetic number, because the mean of its divisors is an integer number (10171224).

Almost surely, 2^454495440 is an apocalyptic number.

454495440 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 454495440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (813697920).

454495440 is an abundant number, since it is smaller than the sum of its proper divisors (1172900400).

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

454495440 is a wasteful number, since it uses less digits than its factorization.

454495440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2909 (or 2903 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 39.

The square root of 454495440 is about 21318.8986582328. The cubic root of 454495440 is about 768.8527582910.

The spelling of 454495440 in words is "four hundred fifty-four million, four hundred ninety-five thousand, four hundred forty".