43724026394 has 8 divisors (see below), whose sum is σ = 65588231520. Its totient is φ = 21861282556.

The previous prime is 43724026373. The next prime is 43724026397. The reversal of 43724026394 is 49362042734.

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

It is not an unprimeable number, because it can be changed into a prime (43724026397) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 287174 + ... + 412209.

It is an arithmetic number, because the mean of its divisors is an integer number (8198528940).

Almost surely, 2^43724026394 is an apocalyptic number.

43724026394 is a deficient number, since it is larger than the sum of its proper divisors (21864205126).

43724026394 is a wasteful number, since it uses less digits than its factorization.

43724026394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730644.

The product of its (nonzero) digits is 870912, while the sum is 44.

The spelling of 43724026394 in words is "forty-three billion, seven hundred twenty-four million, twenty-six thousand, three hundred ninety-four".