40323245251 has 8 divisors (see below), whose sum is σ = 42708360240. Its totient is φ = 37939592448.

The previous prime is 40323245239. The next prime is 40323245321. The reversal of 40323245251 is 15254232304.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40323245251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40323245351) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 308506 + ... + 419311.

It is an arithmetic number, because the mean of its divisors is an integer number (5338545030).

Almost surely, 2^40323245251 is an apocalyptic number.

40323245251 is a deficient number, since it is larger than the sum of its proper divisors (2385114989).

40323245251 is a wasteful number, since it uses less digits than its factorization.

40323245251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731093.

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

Adding to 40323245251 its reverse (15254232304), we get a palindrome (55577477555).

The spelling of 40323245251 in words is "forty billion, three hundred twenty-three million, two hundred forty-five thousand, two hundred fifty-one".