43040443402 has 16 divisors (see below), whose sum is σ = 70851557952. Its totient is φ = 19446687520.

The previous prime is 43040443387. The next prime is 43040443417. The reversal of 43040443402 is 20434404034.

It is an interprime number because it is at equal distance from previous prime (43040443387) and next prime (43040443417).

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, 5853763 + ... + 5861110.

It is an arithmetic number, because the mean of its divisors is an integer number (4428222372).

Almost surely, 2^43040443402 is an apocalyptic number.

43040443402 is a deficient number, since it is larger than the sum of its proper divisors (27811114550).

43040443402 is a wasteful number, since it uses less digits than its factorization.

43040443402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11715053.

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 43040443402 its reverse (20434404034), we get a palindrome (63474847436).

The spelling of 43040443402 in words is "forty-three billion, forty million, four hundred forty-three thousand, four hundred two".