43040542120 has 64 divisors (see below), whose sum is σ = 101510418240. Its totient is φ = 16405670400.

The previous prime is 43040542093. The next prime is 43040542141. The reversal of 43040542120 is 2124504034.

It is a happy 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, 234646 + ... + 375685.

It is an arithmetic number, because the mean of its divisors is an integer number (1586100285).

Almost surely, 2^43040542120 is an apocalyptic number.

43040542120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43040542120 is an abundant number, since it is smaller than the sum of its proper divisors (58469876120).

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

43040542120 is a wasteful number, since it uses less digits than its factorization.

43040542120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610426 (or 610422 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The spelling of 43040542120 in words is "forty-three billion, forty million, five hundred forty-two thousand, one hundred twenty".