201440065015 has 24 divisors (see below), whose sum is σ = 295993571760. Its totient is φ = 130860309888.

The previous prime is 201440065007. The next prime is 201440065033. The reversal of 201440065015 is 510560044102.

It is not a de Polignac number, because 201440065015 - 2³ = 201440065007 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21632302 + ... + 21641611.

It is an arithmetic number, because the mean of its divisors is an integer number (12333065490).

Almost surely, 2^201440065015 is an apocalyptic number.

201440065015 is a deficient number, since it is larger than the sum of its proper divisors (94553506745).

201440065015 is a wasteful number, since it uses less digits than its factorization.

201440065015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43273951 (or 43273944 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The spelling of 201440065015 in words is "two hundred one billion, four hundred forty million, sixty-five thousand, fifteen".