455233440 has 48 divisors (see below), whose sum is σ = 1433986848. Its totient is φ = 121395456.

The previous prime is 455233433. The next prime is 455233447. The reversal of 455233440 is 44332554.

It is an interprime number because it is at equal distance from previous prime (455233433) and next prime (455233447).

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 455233398 and 455233407.

It is not an unprimeable number, because it can be changed into a prime (455233447) 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 7 ways as a sum of consecutive naturals, for example, 473722 + ... + 474681.

It is an arithmetic number, because the mean of its divisors is an integer number (29874726).

Almost surely, 2^455233440 is an apocalyptic number.

455233440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

455233440 is an abundant number, since it is smaller than the sum of its proper divisors (978753408).

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

455233440 is a wasteful number, since it uses less digits than its factorization.

455233440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948421 (or 948413 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 30.

The square root of 455233440 is about 21336.2002240324. The cubic root of 455233440 is about 769.2686821519.

Adding to 455233440 its reverse (44332554), we get a palindrome (499565994).

The spelling of 455233440 in words is "four hundred fifty-five million, two hundred thirty-three thousand, four hundred forty".