201449442 has 32 divisors (see below), whose sum is σ = 408348864. Its totient is φ = 66248000.

The previous prime is 201449429. The next prime is 201449459. The reversal of 201449442 is 244944102.

201449442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×201449442² = 81163755364222728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154192 + ... + 155492.

It is an arithmetic number, because the mean of its divisors is an integer number (12760902).

Almost surely, 2^201449442 is an apocalyptic number.

201449442 is an abundant number, since it is smaller than the sum of its proper divisors (206899422).

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

201449442 is a wasteful number, since it uses less digits than its factorization.

201449442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1634.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 201449442 is about 14193.2886252623. The cubic root of 201449442 is about 586.2128799031.

The spelling of 201449442 in words is "two hundred one million, four hundred forty-nine thousand, four hundred forty-two".