43650683040 has 48 divisors (see below), whose sum is σ = 137499653088. Its totient is φ = 11640182016.

The previous prime is 43650683023. The next prime is 43650683047. The reversal of 43650683040 is 4038605634.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 43650683040.

It is not an unprimeable number, because it can be changed into a prime (43650683047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45468982 + ... + 45469941.

It is an arithmetic number, because the mean of its divisors is an integer number (2864576106).

Almost surely, 2^43650683040 is an apocalyptic number.

43650683040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43650683040 is an abundant number, since it is smaller than the sum of its proper divisors (93848970048).

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

43650683040 is a wasteful number, since it uses less digits than its factorization.

43650683040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90938941 (or 90938933 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 39.

The spelling of 43650683040 in words is "forty-three billion, six hundred fifty million, six hundred eighty-three thousand, forty".