455632380 has 108 divisors (see below), whose sum is σ = 1607762520. Its totient is φ = 104142528.

The previous prime is 455632379. The next prime is 455632399. The reversal of 455632380 is 83236554.

It is a happy number.

455632380 is a `hidden beast` number, since 4 + 556 + 3 + 23 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 17010 + ... + 34649.

It is an arithmetic number, because the mean of its divisors is an integer number (14886690).

Almost surely, 2^455632380 is an apocalyptic number.

It is an amenable number.

455632380 is an abundant number, since it is smaller than the sum of its proper divisors (1152130140).

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

455632380 is a wasteful number, since it uses less digits than its factorization.

455632380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51688 (or 51676 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 455632380 is about 21345.5470766153. The cubic root of 455632380 is about 769.4933305903.

The spelling of 455632380 in words is "four hundred fifty-five million, six hundred thirty-two thousand, three hundred eighty".