43215116340 has 48 divisors (see below), whose sum is σ = 132002539200. Its totient is φ = 10476391680.

The previous prime is 43215116327. The next prime is 43215116359. The reversal of 43215116340 is 4361151234.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 43215116298 and 43215116307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32738065 + ... + 32739384.

It is an arithmetic number, because the mean of its divisors is an integer number (2750052900).

Almost surely, 2^43215116340 is an apocalyptic number.

It is an amenable number.

43215116340 is an abundant number, since it is smaller than the sum of its proper divisors (88787422860).

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

43215116340 is a wasteful number, since it uses less digits than its factorization.

43215116340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65477472 (or 65477470 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 43215116340 its reverse (4361151234), we get a palindrome (47576267574).

The spelling of 43215116340 in words is "forty-three billion, two hundred fifteen million, one hundred sixteen thousand, three hundred forty".