40131200532 has 12 divisors (see below), whose sum is σ = 93639467936. Its totient is φ = 13377066840.

The previous prime is 40131200521. The next prime is 40131200537. The reversal of 40131200532 is 23500213104.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×40131200532² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40131200499 and 40131200508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40131200537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1672133344 + ... + 1672133367.

Almost surely, 2^40131200532 is an apocalyptic number.

It is an amenable number.

40131200532 is an abundant number, since it is smaller than the sum of its proper divisors (53508267404).

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

40131200532 is a wasteful number, since it uses less digits than its factorization.

40131200532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3344266718 (or 3344266716 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 40131200532 its reverse (23500213104), we get a palindrome (63631413636).

The spelling of 40131200532 in words is "forty billion, one hundred thirty-one million, two hundred thousand, five hundred thirty-two".