201814490 has 16 divisors (see below), whose sum is σ = 365444352. Its totient is φ = 80241744.

The previous prime is 201814477. The next prime is 201814493. The reversal of 201814490 is 94418102.

201814490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (201814493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58754 + ... + 62093.

It is an arithmetic number, because the mean of its divisors is an integer number (22840272).

Almost surely, 2^201814490 is an apocalyptic number.

201814490 is a deficient number, since it is larger than the sum of its proper divisors (163629862).

201814490 is a wasteful number, since it uses less digits than its factorization.

201814490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121021.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 201814490 is about 14206.1426854724. The cubic root of 201814490 is about 586.5667597750.

The spelling of 201814490 in words is "two hundred one million, eight hundred fourteen thousand, four hundred ninety".