203234201440 has 48 divisors (see below), whose sum is σ = 481375243440. Its totient is φ = 81084674560.

The previous prime is 203234201437. The next prime is 203234201539. The reversal of 203234201440 is 44102432302.

It is a happy number.

It is a super-4 number, since 4×203234201440⁴ (a number of 46 digits) contains 4444 as substring.

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, 1570426 + ... + 1694905.

It is an arithmetic number, because the mean of its divisors is an integer number (10028650905).

Almost surely, 2^203234201440 is an apocalyptic number.

203234201440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203234201440 is an abundant number, since it is smaller than the sum of its proper divisors (278141042000).

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

203234201440 is a wasteful number, since it uses less digits than its factorization.

203234201440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3265735 (or 3265727 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 203234201440 its reverse (44102432302), we get a palindrome (247336633742).

The spelling of 203234201440 in words is "two hundred three billion, two hundred thirty-four million, two hundred one thousand, four hundred forty".