43031142040 has 16 divisors (see below), whose sum is σ = 96820069680. Its totient is φ = 17212456800.

The previous prime is 43031141983. The next prime is 43031142047. The reversal of 43031142040 is 4024113034.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43031142047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 537889236 + ... + 537889315.

It is an arithmetic number, because the mean of its divisors is an integer number (6051254355).

Almost surely, 2^43031142040 is an apocalyptic number.

43031142040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43031142040 is an abundant number, since it is smaller than the sum of its proper divisors (53788927640).

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

43031142040 is a wasteful number, since it uses less digits than its factorization.

43031142040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075778562 (or 1075778558 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 43031142040 its reverse (4024113034), we get a palindrome (47055255074).

The spelling of 43031142040 in words is "forty-three billion, thirty-one million, one hundred forty-two thousand, forty".