200451464 has 8 divisors (see below), whose sum is σ = 375846510. Its totient is φ = 100225728.

The previous prime is 200451457. The next prime is 200451469. The reversal of 200451464 is 464154002.

200451464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 200448964 + 2500 = 14158^2 + 50^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (200451469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12528209 + ... + 12528224.

Almost surely, 2^200451464 is an apocalyptic number.

It is an amenable number.

200451464 is a deficient number, since it is larger than the sum of its proper divisors (175395046).

200451464 is a wasteful number, since it uses less digits than its factorization.

200451464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25056439 (or 25056435 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 200451464 is about 14158.0882890311. The cubic root of 200451464 is about 585.2432465427.

The spelling of 200451464 in words is "two hundred million, four hundred fifty-one thousand, four hundred sixty-four".