43312004424 has 80 divisors (see below), whose sum is σ = 130645565820. Its totient is φ = 13326768000.

The previous prime is 43312004389. The next prime is 43312004429. The reversal of 43312004424 is 42440021334.

It is a happy number.

43312004424 is a `hidden beast` number, since 4 + 3 + 31 + 200 + 4 + 424 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 42841548324 + 470456100 = 206982^2 + 21690^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (43312004429) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2562327 + ... + 2579174.

Almost surely, 2^43312004424 is an apocalyptic number.

It is an amenable number.

43312004424 is an abundant number, since it is smaller than the sum of its proper divisors (87333561396).

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

43312004424 is a wasteful number, since it uses less digits than its factorization.

43312004424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5141532 (or 5141519 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 43312004424 its reverse (42440021334), we get a palindrome (85752025758).

The spelling of 43312004424 in words is "forty-three billion, three hundred twelve million, four thousand, four hundred twenty-four".