40305144532 has 12 divisors (see below), whose sum is σ = 71527440096. Its totient is φ = 19868733080.

The previous prime is 40305144521. The next prime is 40305144541. The reversal of 40305144532 is 23544150304.

It is a junction number, because it is equal to n+sod(n) for n = 40305144494 and 40305144503.

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 3 ways as a sum of consecutive naturals, for example, 70959478 + ... + 70960045.

It is an arithmetic number, because the mean of its divisors is an integer number (5960620008).

Almost surely, 2^40305144532 is an apocalyptic number.

It is an amenable number.

40305144532 is a deficient number, since it is larger than the sum of its proper divisors (31222295564).

40305144532 is a wasteful number, since it uses less digits than its factorization.

40305144532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141919598 (or 141919596 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 40305144532 its reverse (23544150304), we get a palindrome (63849294836).

The spelling of 40305144532 in words is "forty billion, three hundred five million, one hundred forty-four thousand, five hundred thirty-two".