43542138418 has 8 divisors (see below), whose sum is σ = 65391056640. Its totient is φ = 21745119540.

The previous prime is 43542138397. The next prime is 43542138427. The reversal of 43542138418 is 81483124534.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12972738 + ... + 12976093.

It is an arithmetic number, because the mean of its divisors is an integer number (8173882080).

Almost surely, 2^43542138418 is an apocalyptic number.

43542138418 is a deficient number, since it is larger than the sum of its proper divisors (21848918222).

43542138418 is a wasteful number, since it uses less digits than its factorization.

43542138418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25949672.

The product of its digits is 368640, while the sum is 43.

The spelling of 43542138418 in words is "forty-three billion, five hundred forty-two million, one hundred thirty-eight thousand, four hundred eighteen".