203211342040 has 32 divisors (see below), whose sum is σ = 522543451680. Its totient is φ = 69672460032.

The previous prime is 203211342013. The next prime is 203211342071. The reversal of 203211342040 is 40243112302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362877117 + ... + 362877676.

It is an arithmetic number, because the mean of its divisors is an integer number (16329482865).

Almost surely, 2^203211342040 is an apocalyptic number.

203211342040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203211342040 is an abundant number, since it is smaller than the sum of its proper divisors (319332109640).

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

203211342040 is a wasteful number, since it uses less digits than its factorization.

203211342040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725754811 (or 725754807 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 203211342040 its reverse (40243112302), we get a palindrome (243454454342).

The spelling of 203211342040 in words is "two hundred three billion, two hundred eleven million, three hundred forty-two thousand, forty".