455036440 has 32 divisors (see below), whose sum is σ = 1024650000. Its totient is φ = 181869184.

The previous prime is 455036401. The next prime is 455036473. The reversal of 455036440 is 44630554.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56166 + ... + 63754.

Almost surely, 2^455036440 is an apocalyptic number.

455036440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

455036440 is an abundant number, since it is smaller than the sum of its proper divisors (569613560).

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

455036440 is a wasteful number, since it uses less digits than its factorization.

455036440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9099 (or 9095 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 455036440 is about 21331.5831573749. The cubic root of 455036440 is about 769.1577004133.

Adding to 455036440 its reverse (44630554), we get a palindrome (499666994).

The spelling of 455036440 in words is "four hundred fifty-five million, thirty-six thousand, four hundred forty".