40631466345 has 16 divisors (see below), whose sum is σ = 65446660800. Its totient is φ = 21524677184.

The previous prime is 40631466341. The next prime is 40631466347. The reversal of 40631466345 is 54366413604.

It is a cyclic number.

It is not a de Polignac number, because 40631466345 - 2² = 40631466341 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40631466297 and 40631466306.

It is not an unprimeable number, because it can be changed into a prime (40631466341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9087579 + ... + 9092048.

It is an arithmetic number, because the mean of its divisors is an integer number (4090416300).

Almost surely, 2^40631466345 is an apocalyptic number.

It is an amenable number.

40631466345 is a deficient number, since it is larger than the sum of its proper divisors (24815194455).

40631466345 is a wasteful number, since it uses less digits than its factorization.

40631466345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18179784.

The product of its (nonzero) digits is 622080, while the sum is 42.

Adding to 40631466345 its reverse (54366413604), we get a palindrome (94997879949).

The spelling of 40631466345 in words is "forty billion, six hundred thirty-one million, four hundred sixty-six thousand, three hundred forty-five".