201432040320 has 128 divisors (see below), whose sum is σ = 733788195840. Its totient is φ = 46041606144.

The previous prime is 201432040297. The next prime is 201432040349. The reversal of 201432040320 is 23040234102.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 7480312 + ... + 7507191.

It is an arithmetic number, because the mean of its divisors is an integer number (5732720280).

Almost surely, 2^201432040320 is an apocalyptic number.

201432040320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201432040320 is an abundant number, since it is smaller than the sum of its proper divisors (532356155520).

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

201432040320 is a wasteful number, since it uses less digits than its factorization.

201432040320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14987532 (or 14987520 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 201432040320 its reverse (23040234102), we get a palindrome (224472274422).

The spelling of 201432040320 in words is "two hundred one billion, four hundred thirty-two million, forty thousand, three hundred twenty".