2433421728 has 72 divisors (see below), whose sum is σ = 6924966048. Its totient is φ = 810563712.

The previous prime is 2433421721. The next prime is 2433421741. The reversal of 2433421728 is 8271243342.

It is a happy number.

2433421728 is a `hidden beast` number, since 2 + 433 + 4 + 217 + 2 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2433421692 and 2433421701.

It is not an unprimeable number, because it can be changed into a prime (2433421721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 644101 + ... + 647867.

It is an arithmetic number, because the mean of its divisors is an integer number (96180084).

Almost surely, 2^2433421728 is an apocalyptic number.

It is an amenable number.

2433421728 is an abundant number, since it is smaller than the sum of its proper divisors (4491544320).

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

2433421728 is a wasteful number, since it uses less digits than its factorization.

2433421728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6026 (or 6015 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 2433421728 is about 49329.7245887305. The cubic root of 2433421728 is about 1345.0521629093.

The spelling of 2433421728 in words is "two billion, four hundred thirty-three million, four hundred twenty-one thousand, seven hundred twenty-eight".