40032032521544 has 64 divisors (see below), whose sum is σ = 88748093491200. Its totient is φ = 16563647165184.

The previous prime is 40032032521541. The next prime is 40032032521571. The reversal of 40032032521544 is 44512523023004.

It is a happy number.

40032032521544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (40032032521541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19342937 + ... + 21312279.

It is an arithmetic number, because the mean of its divisors is an integer number (1386688960800).

Almost surely, 2^{40032032521544} is an apocalyptic number.

It is an amenable number.

40032032521544 is an abundant number, since it is smaller than the sum of its proper divisors (48716060969656).

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

40032032521544 is a wasteful number, since it uses less digits than its factorization.

40032032521544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1981902 (or 1981898 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 40032032521544 its reverse (44512523023004), we get a palindrome (84544555544548).

The spelling of 40032032521544 in words is "forty trillion, thirty-two billion, thirty-two million, five hundred twenty-one thousand, five hundred forty-four".