40143221250 has 80 divisors (see below), whose sum is σ = 109446590880. Its totient is φ = 9731680000.

The previous prime is 40143221213. The next prime is 40143221263. The reversal of 40143221250 is 5212234104.

It is a super-2 number, since 2×40143221250² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40143221250.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 445335 + ... + 527834.

It is an arithmetic number, because the mean of its divisors is an integer number (1368082386).

Almost surely, 2^40143221250 is an apocalyptic number.

40143221250 is an abundant number, since it is smaller than the sum of its proper divisors (69303369630).

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

40143221250 is a wasteful number, since it uses less digits than its factorization.

40143221250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973205 (or 973190 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 40143221250 its reverse (5212234104), we get a palindrome (45355455354).

The spelling of 40143221250 in words is "forty billion, one hundred forty-three million, two hundred twenty-one thousand, two hundred fifty".