40234440132 has 36 divisors (see below), whose sum is σ = 106125626880. Its totient is φ = 12828371952.

The previous prime is 40234440131. The next prime is 40234440149. The reversal of 40234440132 is 23104443204.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 40234440096 and 40234440105.

It is not an unprimeable number, because it can be changed into a prime (40234440131) 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 11 ways as a sum of consecutive naturals, for example, 24295332 + ... + 24296987.

It is an arithmetic number, because the mean of its divisors is an integer number (2947934080).

Almost surely, 2^40234440132 is an apocalyptic number.

It is an amenable number.

40234440132 is an abundant number, since it is smaller than the sum of its proper divisors (65891186748).

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

40234440132 is a wasteful number, since it uses less digits than its factorization.

40234440132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48592352 (or 48592347 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 40234440132 its reverse (23104443204), we get a palindrome (63338883336).

The spelling of 40234440132 in words is "forty billion, two hundred thirty-four million, four hundred forty thousand, one hundred thirty-two".