2151404232 has 32 divisors (see below), whose sum is σ = 5431769280. Its totient is φ = 710033600.

The previous prime is 2151404207. The next prime is 2151404287. The reversal of 2151404232 is 2324041512.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 441348 + ... + 446195.

It is an arithmetic number, because the mean of its divisors is an integer number (169742790).

Almost surely, 2^2151404232 is an apocalyptic number.

It is an amenable number.

2151404232 is an abundant number, since it is smaller than the sum of its proper divisors (3280365048).

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

2151404232 is a wasteful number, since it uses less digits than its factorization.

2151404232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887653 (or 887649 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 2151404232 is about 46383.2322288993. The cubic root of 2151404232 is about 1290.9438102376.

Adding to 2151404232 its reverse (2324041512), we get a palindrome (4475445744).

The spelling of 2151404232 in words is "two billion, one hundred fifty-one million, four hundred four thousand, two hundred thirty-two".