40120435132 has 48 divisors (see below), whose sum is σ = 74785340448. Its totient is φ = 18767646720.

The previous prime is 40120435127. The next prime is 40120435151. The reversal of 40120435132 is 23153402104.

It is a junction number, because it is equal to n+sod(n) for n = 40120435097 and 40120435106.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 8794132 + ... + 8798692.

It is an arithmetic number, because the mean of its divisors is an integer number (1558027926).

Almost surely, 2^40120435132 is an apocalyptic number.

It is an amenable number.

40120435132 is a deficient number, since it is larger than the sum of its proper divisors (34664905316).

40120435132 is a wasteful number, since it uses less digits than its factorization.

40120435132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5326 (or 5324 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 40120435132 its reverse (23153402104), we get a palindrome (63273837236).

The spelling of 40120435132 in words is "forty billion, one hundred twenty million, four hundred thirty-five thousand, one hundred thirty-two".