455732140 has 24 divisors (see below), whose sum is σ = 957932640. Its totient is φ = 182122368.

The previous prime is 455732113. The next prime is 455732149. The reversal of 455732140 is 41237554.

It is a super-3 number, since 3×455732140³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (455732149) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 12489 + ... + 32671.

It is an arithmetic number, because the mean of its divisors is an integer number (39913860).

Almost surely, 2^455732140 is an apocalyptic number.

It is an amenable number.

455732140 is an abundant number, since it is smaller than the sum of its proper divisors (502200500).

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

455732140 is a wasteful number, since it uses less digits than its factorization.

455732140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21321 (or 21319 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 455732140 is about 21347.8837358648. The cubic root of 455732140 is about 769.5494862809.

Adding to 455732140 its reverse (41237554), we get a palindrome (496969694).

The spelling of 455732140 in words is "four hundred fifty-five million, seven hundred thirty-two thousand, one hundred forty".