201442449090 has 32 divisors (see below), whose sum is σ = 485591682240. Its totient is φ = 53481341504.

The previous prime is 201442449071. The next prime is 201442449113. The reversal of 201442449090 is 90944244102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14783385 + ... + 14797004.

It is an arithmetic number, because the mean of its divisors is an integer number (15174740070).

Almost surely, 2^201442449090 is an apocalyptic number.

201442449090 is an abundant number, since it is smaller than the sum of its proper divisors (284149233150).

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

201442449090 is a wasteful number, since it uses less digits than its factorization.

201442449090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29580626.

The product of its (nonzero) digits is 82944, while the sum is 39.

The spelling of 201442449090 in words is "two hundred one billion, four hundred forty-two million, four hundred forty-nine thousand, ninety".