140404204215422 has 16 divisors (see below), whose sum is σ = 246563480574432. Its totient is φ = 58705590612480.

The previous prime is 140404204215389. The next prime is 140404204215469. The reversal of 140404204215422 is 224512402404041.

It is a super-2 number, since 2×140404204215422² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122303313203 + ... + 122303314350.

It is an arithmetic number, because the mean of its divisors is an integer number (15410217535902).

Almost surely, 2^{140404204215422} is an apocalyptic number.

140404204215422 is a deficient number, since it is larger than the sum of its proper divisors (106159276359010).

140404204215422 is a wasteful number, since it uses less digits than its factorization.

140404204215422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244606627603.

The product of its (nonzero) digits is 81920, while the sum is 35.

Adding to 140404204215422 its reverse (224512402404041), we get a palindrome (364916606619463).

The spelling of 140404204215422 in words is "one hundred forty trillion, four hundred four billion, two hundred four million, two hundred fifteen thousand, four hundred twenty-two".