455663740 has 36 divisors (see below), whose sum is σ = 1113123816. Its totient is φ = 156227232.

The previous prime is 455663723. The next prime is 455663743. The reversal of 455663740 is 47366554.

It is a junction number, because it is equal to n+sod(n) for n = 455663693 and 455663702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455663743) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 231502 + ... + 233461.

It is an arithmetic number, because the mean of its divisors is an integer number (30920106).

Almost surely, 2^455663740 is an apocalyptic number.

It is an amenable number.

455663740 is an abundant number, since it is smaller than the sum of its proper divisors (657460076).

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

455663740 is a wasteful number, since it uses less digits than its factorization.

455663740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464986 (or 464977 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 40.

The square root of 455663740 is about 21346.2816434151. The cubic root of 455663740 is about 769.5109842648.

The spelling of 455663740 in words is "four hundred fifty-five million, six hundred sixty-three thousand, seven hundred forty".