43542022556 has 6 divisors (see below), whose sum is σ = 76198539480. Its totient is φ = 21771011276.

The previous prime is 43542022547. The next prime is 43542022561. The reversal of 43542022556 is 65522024534.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5442752816 + ... + 5442752823.

It is an arithmetic number, because the mean of its divisors is an integer number (12699756580).

Almost surely, 2^43542022556 is an apocalyptic number.

It is an amenable number.

43542022556 is a deficient number, since it is larger than the sum of its proper divisors (32656516924).

43542022556 is a wasteful number, since it uses less digits than its factorization.

43542022556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10885505643 (or 10885505641 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 38.

The spelling of 43542022556 in words is "forty-three billion, five hundred forty-two million, twenty-two thousand, five hundred fifty-six".