203414534540 has 48 divisors (see below), whose sum is σ = 498582024192. Its totient is φ = 68258248896.

The previous prime is 203414534483. The next prime is 203414534563. The reversal of 203414534540 is 45435414302.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 203414534540.

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, 15450452 + ... + 15463611.

It is an arithmetic number, because the mean of its divisors is an integer number (10387125504).

Almost surely, 2^203414534540 is an apocalyptic number.

203414534540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203414534540 is an abundant number, since it is smaller than the sum of its proper divisors (295167489652).

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

203414534540 is a wasteful number, since it uses less digits than its factorization.

203414534540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30914126 (or 30914124 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 203414534540 its reverse (45435414302), we get a palindrome (248849948842).

The spelling of 203414534540 in words is "two hundred three billion, four hundred fourteen million, five hundred thirty-four thousand, five hundred forty".