40140653350440 has 128 divisors (see below), whose sum is σ = 124802188560000. Its totient is φ = 10316170195968.

The previous prime is 40140653350397. The next prime is 40140653350463. The reversal of 40140653350440 is 4405335604104.

It is a super-2 number, since 2×40140653350440² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8640015 + ... + 12447134.

It is an arithmetic number, because the mean of its divisors is an integer number (975017098125).

Almost surely, 2^{40140653350440} is an apocalyptic number.

40140653350440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40140653350440 is an abundant number, since it is smaller than the sum of its proper divisors (84661535209560).

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

40140653350440 is a wasteful number, since it uses less digits than its factorization.

40140653350440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21087739 (or 21087735 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 39.

Adding to 40140653350440 its reverse (4405335604104), we get a palindrome (44545988954544).

The spelling of 40140653350440 in words is "forty trillion, one hundred forty billion, six hundred fifty-three million, three hundred fifty thousand, four hundred forty".