40451340232 has 16 divisors (see below), whose sum is σ = 75859793100. Its totient is φ = 20222062080.

The previous prime is 40451340121. The next prime is 40451340257. The reversal of 40451340232 is 23204315404.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 27081968356 + 13369371876 = 164566^2 + 115626^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40451340232.

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, 403057 + ... + 493312.

Almost surely, 2^40451340232 is an apocalyptic number.

It is an amenable number.

40451340232 is a deficient number, since it is larger than the sum of its proper divisors (35408452868).

40451340232 is a wasteful number, since it uses less digits than its factorization.

40451340232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902016 (or 902012 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 40451340232 its reverse (23204315404), we get a palindrome (63655655636).

The spelling of 40451340232 in words is "forty billion, four hundred fifty-one million, three hundred forty thousand, two hundred thirty-two".