43721240502 has 8 divisors (see below), whose sum is σ = 87442481016. Its totient is φ = 14573746832.

The previous prime is 43721240501. The next prime is 43721240503. The reversal of 43721240502 is 20504212734.

It is an interprime number because it is at equal distance from previous prime (43721240501) and next prime (43721240503).

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

43721240502 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 43721240502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43721240501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3643436703 + ... + 3643436714.

It is an arithmetic number, because the mean of its divisors is an integer number (10930310127).

Almost surely, 2^43721240502 is an apocalyptic number.

43721240502 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

43721240502 is a wasteful number, since it uses less digits than its factorization.

43721240502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7286873422.

The product of its (nonzero) digits is 13440, while the sum is 30.

The spelling of 43721240502 in words is "forty-three billion, seven hundred twenty-one million, two hundred forty thousand, five hundred two".