2043451432 has 32 divisors (see below), whose sum is σ = 4181738400. Its totient is φ = 928408000.

The previous prime is 2043451409. The next prime is 2043451457. The reversal of 2043451432 is 2341543402.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2043451432.

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, 254682 + ... + 262582.

It is an arithmetic number, because the mean of its divisors is an integer number (130679325).

Almost surely, 2^2043451432 is an apocalyptic number.

2043451432 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2043451432 is an abundant number, since it is smaller than the sum of its proper divisors (2138286968).

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

2043451432 is a wasteful number, since it uses less digits than its factorization.

2043451432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10857 (or 10853 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 2043451432 is about 45204.5510098264. The cubic root of 2043451432 is about 1268.9799882294.

Adding to 2043451432 its reverse (2341543402), we get a palindrome (4384994834).

The spelling of 2043451432 in words is "two billion, forty-three million, four hundred fifty-one thousand, four hundred thirty-two".