43923885542 has 16 divisors (see below), whose sum is σ = 69099430752. Its totient is φ = 20900436480.

The previous prime is 43923885539. The next prime is 43923885559. The reversal of 43923885542 is 24558832934.

It is a super-2 number, since 2×43923885542² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2414459 + ... + 2432582.

It is an arithmetic number, because the mean of its divisors is an integer number (4318714422).

Almost surely, 2^43923885542 is an apocalyptic number.

43923885542 is a deficient number, since it is larger than the sum of its proper divisors (25175545210).

43923885542 is a wasteful number, since it uses less digits than its factorization.

43923885542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4847263.

The product of its digits is 8294400, while the sum is 53.

The spelling of 43923885542 in words is "forty-three billion, nine hundred twenty-three million, eight hundred eighty-five thousand, five hundred forty-two".