40051423422 has 24 divisors (see below), whose sum is σ = 86918753376. Its totient is φ = 13328833056.

The previous prime is 40051423367. The next prime is 40051423429. The reversal of 40051423422 is 22432415004.

40051423422 is a `hidden beast` number, since 400 + 5 + 1 + 4 + 234 + 22 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40051423429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1792038 + ... + 1814249.

It is an arithmetic number, because the mean of its divisors is an integer number (3621614724).

Almost surely, 2^40051423422 is an apocalyptic number.

40051423422 is an abundant number, since it is smaller than the sum of its proper divisors (46867329954).

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

40051423422 is a wasteful number, since it uses less digits than its factorization.

40051423422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3606912 (or 3606909 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 40051423422 its reverse (22432415004), we get a palindrome (62483838426).

The spelling of 40051423422 in words is "forty billion, fifty-one million, four hundred twenty-three thousand, four hundred twenty-two".