452166890 has 64 divisors (see below), whose sum is σ = 977135616. Its totient is φ = 147292992.

The previous prime is 452166889. The next prime is 452166893. The reversal of 452166890 is 98661254.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (452166893) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 261569 + ... + 263291.

It is an arithmetic number, because the mean of its divisors is an integer number (15267744).

Almost surely, 2^452166890 is an apocalyptic number.

452166890 is an abundant number, since it is smaller than the sum of its proper divisors (524968726).

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

452166890 is a wasteful number, since it uses less digits than its factorization.

452166890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1923.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 452166890 is about 21264.2161858837. The cubic root of 452166890 is about 767.5374694790.

The spelling of 452166890 in words is "four hundred fifty-two million, one hundred sixty-six thousand, eight hundred ninety".