40424402044040 has 32 divisors (see below), whose sum is σ = 103948462399680. Its totient is φ = 13859794986432.

The previous prime is 40424402044007. The next prime is 40424402044043. The reversal of 40424402044040 is 4044020442404.

It is a junction number, because it is equal to n+sod(n) for n = 40424402043988 and 40424402044006.

It is not an unprimeable number, because it can be changed into a prime (40424402044043) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 72186431942 + ... + 72186432501.

It is an arithmetic number, because the mean of its divisors is an integer number (3248389449990).

Almost surely, 2^{40424402044040} is an apocalyptic number.

40424402044040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40424402044040 is an abundant number, since it is smaller than the sum of its proper divisors (63524060355640).

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

40424402044040 is a wasteful number, since it uses less digits than its factorization.

40424402044040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144372864461 (or 144372864457 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 40424402044040 its reverse (4044020442404), we get a palindrome (44468422486444).

The spelling of 40424402044040 in words is "forty trillion, four hundred twenty-four billion, four hundred two million, forty-four thousand, forty".