40424422422440 has 64 divisors (see below), whose sum is σ = 110063133331200. Its totient is φ = 13044519502848.

The previous prime is 40424422422407. The next prime is 40424422422467. The reversal of 40424422422440 is 4422422442404.

It is a junction number, because it is equal to n+sod(n) for n = 40424422422394 and 40424422422403.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4246258100 + ... + 4246267619.

It is an arithmetic number, because the mean of its divisors is an integer number (1719736458300).

Almost surely, 2^{40424422422440} is an apocalyptic number.

40424422422440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40424422422440 is an abundant number, since it is smaller than the sum of its proper divisors (69638710908760).

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

40424422422440 is a wasteful number, since it uses less digits than its factorization.

40424422422440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8492525754 (or 8492525750 counting only the distinct ones).

The product of its (nonzero) digits is 524288, while the sum is 38.

Adding to 40424422422440 its reverse (4422422442404), we get a palindrome (44846844864844).

The spelling of 40424422422440 in words is "forty trillion, four hundred twenty-four billion, four hundred twenty-two million, four hundred twenty-two thousand, four hundred forty".