40012023532 has 48 divisors (see below), whose sum is σ = 76700458912. Its totient is φ = 18150842880.

The previous prime is 40012023509. The next prime is 40012023539. The reversal of 40012023532 is 23532021004.

It is not an unprimeable number, because it can be changed into a prime (40012023539) 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 15 ways as a sum of consecutive naturals, for example, 5156968 + ... + 5164720.

Almost surely, 2^40012023532 is an apocalyptic number.

It is an amenable number.

40012023532 is a deficient number, since it is larger than the sum of its proper divisors (36688435380).

40012023532 is a wasteful number, since it uses less digits than its factorization.

40012023532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9458 (or 9456 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

Adding to 40012023532 its reverse (23532021004), we get a palindrome (63544044536).

The spelling of 40012023532 in words is "forty billion, twelve million, twenty-three thousand, five hundred thirty-two".