43040246556 has 24 divisors (see below), whose sum is σ = 100454480784. Its totient is φ = 14342857600.

The previous prime is 43040246549. The next prime is 43040246611. The reversal of 43040246556 is 65564204034.

It is a super-2 number, since 2×43040246556² (a number of 22 digits) contains 22 as substring.

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, 440145 + ... + 528968.

It is an arithmetic number, because the mean of its divisors is an integer number (4185603366).

Almost surely, 2^43040246556 is an apocalyptic number.

It is an amenable number.

43040246556 is an abundant number, since it is smaller than the sum of its proper divisors (57414234228).

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

43040246556 is a wasteful number, since it uses less digits than its factorization.

43040246556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972821 (or 972819 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 39.

The spelling of 43040246556 in words is "forty-three billion, forty million, two hundred forty-six thousand, five hundred fifty-six".