43139074426 has 48 divisors (see below), whose sum is σ = 77834034432. Its totient is φ = 17861256000.

The previous prime is 43139074411. The next prime is 43139074463. The reversal of 43139074426 is 62447093134.

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, 1814025 + ... + 1837651.

It is an arithmetic number, because the mean of its divisors is an integer number (1621542384).

Almost surely, 2^43139074426 is an apocalyptic number.

43139074426 is a deficient number, since it is larger than the sum of its proper divisors (34694960006).

43139074426 is a wasteful number, since it uses less digits than its factorization.

43139074426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24275 (or 24268 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 43.

The spelling of 43139074426 in words is "forty-three billion, one hundred thirty-nine million, seventy-four thousand, four hundred twenty-six".