40040040422 has 8 divisors (see below), whose sum is σ = 60061277856. Its totient is φ = 20019614472.

The previous prime is 40040040409. The next prime is 40040040437. The reversal of 40040040422 is 22404004004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 40040040394 and 40040040403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59153 + ... + 289100.

It is an arithmetic number, because the mean of its divisors is an integer number (7507659732).

Almost surely, 2^40040040422 is an apocalyptic number.

40040040422 is a deficient number, since it is larger than the sum of its proper divisors (20021237434).

40040040422 is a wasteful number, since it uses less digits than its factorization.

40040040422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405742.

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 40040040422 its reverse (22404004004), we get a palindrome (62444044426).

The spelling of 40040040422 in words is "forty billion, forty million, forty thousand, four hundred twenty-two".