43555992842 has 48 divisors (see below), whose sum is σ = 70643168280. Its totient is φ = 20133814272.

The previous prime is 43555992839. The next prime is 43555992869. The reversal of 43555992842 is 24829955534.

It can be written as a sum of positive squares in 12 ways, for example, as 18039444721 + 25516548121 = 134311^2 + 159739^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8073698 + ... + 8079090.

Almost surely, 2^43555992842 is an apocalyptic number.

43555992842 is a deficient number, since it is larger than the sum of its proper divisors (27087175438).

43555992842 is a wasteful number, since it uses less digits than its factorization.

43555992842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5675 (or 5658 counting only the distinct ones).

The product of its digits is 15552000, while the sum is 56.

The spelling of 43555992842 in words is "forty-three billion, five hundred fifty-five million, nine hundred ninety-two thousand, eight hundred forty-two".