40144340004032 has 42 divisors (see below), whose sum is σ = 87561731293764. Its totient is φ = 18247427271040.

The previous prime is 40144340004023. The next prime is 40144340004077. The reversal of 40144340004032 is 23040004344104.

It is a happy number.

It is a super-2 number, since 2×40144340004032² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40144340003986 and 40144340004004.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2591956358 + ... + 2591971845.

It is an arithmetic number, because the mean of its divisors is an integer number (2084803126042).

Almost surely, 2^{40144340004032} is an apocalyptic number.

It is an amenable number.

40144340004032 is an abundant number, since it is smaller than the sum of its proper divisors (47417391289732).

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

40144340004032 is a wasteful number, since it uses less digits than its factorization.

40144340004032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5183928237 (or 5183928216 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 40144340004032 its reverse (23040004344104), we get a palindrome (63184344348136).

The spelling of 40144340004032 in words is "forty trillion, one hundred forty-four billion, three hundred forty million, four thousand, thirty-two".