40221322403210 has 16 divisors (see below), whose sum is σ = 77967486504936. Its totient is φ = 14850949810368.

The previous prime is 40221322403209. The next prime is 40221322403221. The reversal of 40221322403210 is 1230422312204.

It can be written as a sum of positive squares in 4 ways, for example, as 12245569400689 + 27975753002521 = 3499367^2 + 5289211^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 40221322403210.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154697393729 + ... + 154697393988.

Almost surely, 2^{40221322403210} is an apocalyptic number.

40221322403210 is a deficient number, since it is larger than the sum of its proper divisors (37746164101726).

40221322403210 is a wasteful number, since it uses less digits than its factorization.

40221322403210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309394787737.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 40221322403210 its reverse (1230422312204), we get a palindrome (41451744715414).

The spelling of 40221322403210 in words is "forty trillion, two hundred twenty-one billion, three hundred twenty-two million, four hundred three thousand, two hundred ten".