40510134432 has 72 divisors (see below), whose sum is σ = 117153298080. Its totient is φ = 13274501760.

The previous prime is 40510134367. The next prime is 40510134433. The reversal of 40510134432 is 23443101504.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

It is a junction number, because it is equal to n+sod(n) for n = 40510134396 and 40510134405.

It is not an unprimeable number, because it can be changed into a prime (40510134433) 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, 1175044 + ... + 1209027.

It is an arithmetic number, because the mean of its divisors is an integer number (1627129140).

Almost surely, 2^40510134432 is an apocalyptic number.

It is an amenable number.

40510134432 is an abundant number, since it is smaller than the sum of its proper divisors (76643163648).

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

40510134432 is a wasteful number, since it uses less digits than its factorization.

40510134432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2384146 (or 2384135 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 40510134432 its reverse (23443101504), we get a palindrome (63953235936).

The spelling of 40510134432 in words is "forty billion, five hundred ten million, one hundred thirty-four thousand, four hundred thirty-two".