201043432040 has 64 divisors (see below), whose sum is σ = 494845200000. Its totient is φ = 72903005440.

The previous prime is 201043432021. The next prime is 201043432061. The reversal of 201043432040 is 40234340102.

It is a junction number, because it is equal to n+sod(n) for n = 201043431997 and 201043432015.

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, 478415 + ... + 794334.

It is an arithmetic number, because the mean of its divisors is an integer number (7731956250).

Almost surely, 2^201043432040 is an apocalyptic number.

201043432040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201043432040 is an abundant number, since it is smaller than the sum of its proper divisors (293801767960).

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

201043432040 is a wasteful number, since it uses less digits than its factorization.

201043432040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273130 (or 1273126 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 201043432040 its reverse (40234340102), we get a palindrome (241277772142).

The spelling of 201043432040 in words is "two hundred one billion, forty-three million, four hundred thirty-two thousand, forty".