43112013140 has 48 divisors (see below), whose sum is σ = 103491126144. Its totient is φ = 14778076800.

The previous prime is 43112013121. The next prime is 43112013157. The reversal of 43112013140 is 4131021134.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 672275 + ... + 733605.

It is an arithmetic number, because the mean of its divisors is an integer number (2156065128).

Almost surely, 2^43112013140 is an apocalyptic number.

It is an amenable number.

43112013140 is an abundant number, since it is smaller than the sum of its proper divisors (60379113004).

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

43112013140 is a wasteful number, since it uses less digits than its factorization.

43112013140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66368 (or 66366 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 43112013140 its reverse (4131021134), we get a palindrome (47243034274).

The spelling of 43112013140 in words is "forty-three billion, one hundred twelve million, thirteen thousand, one hundred forty".