40443658050 has 48 divisors (see below), whose sum is σ = 100330765920. Its totient is φ = 10781696640.

The previous prime is 40443658033. The next prime is 40443658051. The reversal of 40443658050 is 5085634404.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40443658051) 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 23 ways as a sum of consecutive naturals, for example, 475681 + ... + 554219.

It is an arithmetic number, because the mean of its divisors is an integer number (2090224290).

Almost surely, 2^40443658050 is an apocalyptic number.

40443658050 is an abundant number, since it is smaller than the sum of its proper divisors (59887107870).

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

40443658050 is a wasteful number, since it uses less digits than its factorization.

40443658050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81987 (or 81982 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 39.

The spelling of 40443658050 in words is "forty billion, four hundred forty-three million, six hundred fifty-eight thousand, fifty".