451327655 has 4 divisors (see below), whose sum is σ = 541593192. Its totient is φ = 361062120.

The previous prime is 451327651. The next prime is 451327673. The reversal of 451327655 is 556723154.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 451327655 - 2² = 451327651 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451327651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45132761 + ... + 45132770.

It is an arithmetic number, because the mean of its divisors is an integer number (135398298).

Almost surely, 2^451327655 is an apocalyptic number.

451327655 is a deficient number, since it is larger than the sum of its proper divisors (90265537).

451327655 is an equidigital number, since it uses as much as digits as its factorization.

451327655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90265536.

The product of its digits is 126000, while the sum is 38.

The square root of 451327655 is about 21244.4735166584. The cubic root of 451327655 is about 767.0623180465.

The spelling of 451327655 in words is "four hundred fifty-one million, three hundred twenty-seven thousand, six hundred fifty-five".