43540002326 has 4 divisors (see below), whose sum is σ = 65310003492. Its totient is φ = 21770001162.

The previous prime is 43540002323. The next prime is 43540002329. The reversal of 43540002326 is 62320004534.

43540002326 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62320004534 = 2 ⋅31160002267.

It is an interprime number because it is at equal distance from previous prime (43540002323) and next prime (43540002329).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43540002323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10885000580 + ... + 10885000583.

It is an arithmetic number, because the mean of its divisors is an integer number (16327500873).

Almost surely, 2^43540002326 is an apocalyptic number.

43540002326 is a deficient number, since it is larger than the sum of its proper divisors (21770001166).

43540002326 is a wasteful number, since it uses less digits than its factorization.

43540002326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21770001165.

The product of its (nonzero) digits is 17280, while the sum is 29.

The spelling of 43540002326 in words is "forty-three billion, five hundred forty million, two thousand, three hundred twenty-six".