43406274140 has 24 divisors (see below), whose sum is σ = 91169526672. Its totient is φ = 17359395200.

The previous prime is 43406274127. The next prime is 43406274143. The reversal of 43406274140 is 4147260434.

It is a self number, because there is not a number n which added to its sum of digits gives 43406274140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43406274143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78686 + ... + 304965.

It is an arithmetic number, because the mean of its divisors is an integer number (3798730278).

Almost surely, 2^43406274140 is an apocalyptic number.

It is an amenable number.

43406274140 is an abundant number, since it is smaller than the sum of its proper divisors (47763252532).

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

43406274140 is a wasteful number, since it uses less digits than its factorization.

43406274140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389317 (or 389315 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 35.

The spelling of 43406274140 in words is "forty-three billion, four hundred six million, two hundred seventy-four thousand, one hundred forty".