455050440 has 128 divisors (see below), whose sum is σ = 1633564800. Its totient is φ = 112008960.

The previous prime is 455050417. The next prime is 455050447. The reversal of 455050440 is 44050554.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (455050447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2166 + ... + 30245.

It is an arithmetic number, because the mean of its divisors is an integer number (12762225).

Almost surely, 2^455050440 is an apocalyptic number.

455050440 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 455050440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (816782400).

455050440 is an abundant number, since it is smaller than the sum of its proper divisors (1178514360).

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

455050440 is a wasteful number, since it uses less digits than its factorization.

455050440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32444 (or 32434 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 455050440 is about 21331.9113067723. The cubic root of 455050440 is about 769.1655884976.

The spelling of 455050440 in words is "four hundred fifty-five million, fifty thousand, four hundred forty".