2001140432 has 40 divisors (see below), whose sum is σ = 3970269696. Its totient is φ = 976669056.

The previous prime is 2001140417. The next prime is 2001140443. The reversal of 2001140432 is 2340411002.

It is a self number, because there is not a number n which added to its sum of digits gives 2001140432.

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, 295193 + ... + 301895.

Almost surely, 2^2001140432 is an apocalyptic number.

It is an amenable number.

2001140432 is a deficient number, since it is larger than the sum of its proper divisors (1969129264).

2001140432 is a wasteful number, since it uses less digits than its factorization.

2001140432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7155 (or 7149 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2001140432 is about 44734.1081502694. The cubic root of 2001140432 is about 1260.1604801055.

Adding to 2001140432 its reverse (2340411002), we get a palindrome (4341551434).

The spelling of 2001140432 in words is "two billion, one million, one hundred forty thousand, four hundred thirty-two".