43402994328 has 32 divisors (see below), whose sum is σ = 109075599360. Its totient is φ = 14391916320.

The previous prime is 43402994279. The next prime is 43402994329. The reversal of 43402994328 is 82349920434.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43402994329) by changing a digit.

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, 4729600 + ... + 4738767.

It is an arithmetic number, because the mean of its divisors is an integer number (3408612480).

Almost surely, 2^43402994328 is an apocalyptic number.

It is an amenable number.

43402994328 is an abundant number, since it is smaller than the sum of its proper divisors (65672605032).

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

43402994328 is a wasteful number, since it uses less digits than its factorization.

43402994328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9468567 (or 9468563 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 48.

The spelling of 43402994328 in words is "forty-three billion, four hundred two million, nine hundred ninety-four thousand, three hundred twenty-eight".