32003143400 has 24 divisors (see below), whose sum is σ = 74407308870. Its totient is φ = 12801257280.

The previous prime is 32003143357. The next prime is 32003143427. The reversal of 32003143400 is 434130023.

It can be written as a sum of positive squares in 3 ways, for example, as 25287996484 + 6715146916 = 159022^2 + 81946^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 80007659 + ... + 80008058.

Almost surely, 2^32003143400 is an apocalyptic number.

It is an amenable number.

32003143400 is an abundant number, since it is smaller than the sum of its proper divisors (42404165470).

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

32003143400 is a wasteful number, since it uses less digits than its factorization.

32003143400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160015733 (or 160015724 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 32003143400 its reverse (434130023), we get a palindrome (32437273423).

The spelling of 32003143400 in words is "thirty-two billion, three million, one hundred forty-three thousand, four hundred".