43106115640 has 32 divisors (see below), whose sum is σ = 110844298080. Its totient is φ = 14779239552.

The previous prime is 43106115623. The next prime is 43106115667. The reversal of 43106115640 is 4651160134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76974927 + ... + 76975486.

It is an arithmetic number, because the mean of its divisors is an integer number (3463884315).

Almost surely, 2^43106115640 is an apocalyptic number.

43106115640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43106115640 is an abundant number, since it is smaller than the sum of its proper divisors (67738182440).

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

43106115640 is a wasteful number, since it uses less digits than its factorization.

43106115640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153950431 (or 153950427 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 43106115640 its reverse (4651160134), we get a palindrome (47757275774).

The spelling of 43106115640 in words is "forty-three billion, one hundred six million, one hundred fifteen thousand, six hundred forty".