43372628820 has 48 divisors (see below), whose sum is σ = 134937069120. Its totient is φ = 11566034208.

The previous prime is 43372628777. The next prime is 43372628821. The reversal of 43372628820 is 2882627334.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43372628821) 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 15 ways as a sum of consecutive naturals, for example, 40159302 + ... + 40160381.

It is an arithmetic number, because the mean of its divisors is an integer number (2811188940).

Almost surely, 2^43372628820 is an apocalyptic number.

It is an amenable number.

43372628820 is an abundant number, since it is smaller than the sum of its proper divisors (91564440300).

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

43372628820 is a wasteful number, since it uses less digits than its factorization.

43372628820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80319701 (or 80319693 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 45.

The spelling of 43372628820 in words is "forty-three billion, three hundred seventy-two million, six hundred twenty-eight thousand, eight hundred twenty".