43042243554 has 48 divisors (see below), whose sum is σ = 94561134720. Its totient is φ = 14147434080.

The previous prime is 43042243553. The next prime is 43042243583. The reversal of 43042243554 is 45534224034.

43042243554 is a `hidden beast` number, since 43 + 0 + 4 + 22 + 43 + 554 = 666.

It is not an unprimeable number, because it can be changed into a prime (43042243553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1099884 + ... + 1138344.

It is an arithmetic number, because the mean of its divisors is an integer number (1970023640).

Almost surely, 2^43042243554 is an apocalyptic number.

43042243554 is an abundant number, since it is smaller than the sum of its proper divisors (51518891166).

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

43042243554 is a wasteful number, since it uses less digits than its factorization.

43042243554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39335 (or 39332 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 36.

Adding to 43042243554 its reverse (45534224034), we get a palindrome (88576467588).

The spelling of 43042243554 in words is "forty-three billion, forty-two million, two hundred forty-three thousand, five hundred fifty-four".