43394268940 has 48 divisors (see below), whose sum is σ = 99427464864. Its totient is φ = 15777331200.

The previous prime is 43394268919. The next prime is 43394268941. The reversal of 43394268940 is 4986249334.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (43394268941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2123170 + ... + 2143510.

It is an arithmetic number, because the mean of its divisors is an integer number (2071405518).

Almost surely, 2^43394268940 is an apocalyptic number.

It is an amenable number.

43394268940 is an abundant number, since it is smaller than the sum of its proper divisors (56033195924).

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

43394268940 is a wasteful number, since it uses less digits than its factorization.

43394268940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30058 (or 30056 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 52.

The spelling of 43394268940 in words is "forty-three billion, three hundred ninety-four million, two hundred sixty-eight thousand, nine hundred forty".