40231231422 has 16 divisors (see below), whose sum is σ = 80464430592. Its totient is φ = 13410082520.

The previous prime is 40231231399. The next prime is 40231231441. The reversal of 40231231422 is 22413213204.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 40231231392 and 40231231401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 424147 + ... + 510257.

It is an arithmetic number, because the mean of its divisors is an integer number (5029026912).

Almost surely, 2^40231231422 is an apocalyptic number.

40231231422 is an abundant number, since it is smaller than the sum of its proper divisors (40233199170).

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

40231231422 is a wasteful number, since it uses less digits than its factorization.

40231231422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163983.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 40231231422 its reverse (22413213204), we get a palindrome (62644444626).

The spelling of 40231231422 in words is "forty billion, two hundred thirty-one million, two hundred thirty-one thousand, four hundred twenty-two".