455062440 has 256 divisors, whose sum is σ = 1619896320. Its totient is φ = 100131840.

The previous prime is 455062411. The next prime is 455062451. The reversal of 455062440 is 44260554.

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 = 455062398 and 455062407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4252867 + ... + 4252973.

It is an arithmetic number, because the mean of its divisors is an integer number (6327720).

Almost surely, 2^455062440 is an apocalyptic number.

455062440 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 455062440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (809948160).

455062440 is an abundant number, since it is smaller than the sum of its proper divisors (1164833880).

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

455062440 is a wasteful number, since it uses less digits than its factorization.

455062440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272 (or 268 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 455062440 is about 21332.1925736667. The cubic root of 455062440 is about 769.1723495839.

The spelling of 455062440 in words is "four hundred fifty-five million, sixty-two thousand, four hundred forty".