201043321940 has 48 divisors (see below), whose sum is σ = 426664191744. Its totient is φ = 79566384000.

The previous prime is 201043321939. The next prime is 201043321951. The reversal of 201043321940 is 49123340102.

201043321940 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 2970275 + ... + 3037205.

It is an arithmetic number, because the mean of its divisors is an integer number (8888837328).

Almost surely, 2^201043321940 is an apocalyptic number.

201043321940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201043321940 is an abundant number, since it is smaller than the sum of its proper divisors (225620869804).

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

201043321940 is a wasteful number, since it uses less digits than its factorization.

201043321940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68528 (or 68526 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 201043321940 in words is "two hundred one billion, forty-three million, three hundred twenty-one thousand, nine hundred forty".