452047890 has 64 divisors (see below), whose sum is σ = 1279918080. Its totient is φ = 99990720.

The previous prime is 452047879. The next prime is 452047903. The reversal of 452047890 is 98740254.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28210 + ... + 41229.

It is an arithmetic number, because the mean of its divisors is an integer number (19998720).

Almost surely, 2^452047890 is an apocalyptic number.

452047890 is an abundant number, since it is smaller than the sum of its proper divisors (827870190).

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

452047890 is a wasteful number, since it uses less digits than its factorization.

452047890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69487.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 452047890 is about 21261.4178736979. The cubic root of 452047890 is about 767.4701307930.

The spelling of 452047890 in words is "four hundred fifty-two million, forty-seven thousand, eight hundred ninety".