203342030040 has 64 divisors (see below), whose sum is σ = 610079205600. Its totient is φ = 54219820032.

The previous prime is 203342030029. The next prime is 203342030063. The reversal of 203342030040 is 40030243302.

It is a junction number, because it is equal to n+sod(n) for n = 203342029989 and 203342030016.

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, 1438866 + ... + 1573854.

Almost surely, 2^203342030040 is an apocalyptic number.

203342030040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203342030040 is an abundant number, since it is smaller than the sum of its proper divisors (406737175560).

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

203342030040 is a wasteful number, since it uses less digits than its factorization.

203342030040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147556 (or 147552 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

Adding to 203342030040 its reverse (40030243302), we get a palindrome (243372273342).

It can be divided in two parts, 203 and 342030040, that added together give a palindrome (342030243).

The spelling of 203342030040 in words is "two hundred three billion, three hundred forty-two million, thirty thousand, forty".