40651316847 has 12 divisors (see below), whose sum is σ = 58760261040. Its totient is φ = 27081635328.

The previous prime is 40651316779. The next prime is 40651316851. The reversal of 40651316847 is 74861315604.

40651316847 is a `hidden beast` number, since 40 + 6 + 513 + 16 + 84 + 7 = 666.

It is not a de Polignac number, because 40651316847 - 2⁸ = 40651316591 is a prime.

It is a super-2 number, since 2×40651316847² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40651316947) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1590163 + ... + 1615524.

It is an arithmetic number, because the mean of its divisors is an integer number (4896688420).

Almost surely, 2^40651316847 is an apocalyptic number.

40651316847 is a deficient number, since it is larger than the sum of its proper divisors (18108944193).

40651316847 is a wasteful number, since it uses less digits than its factorization.

40651316847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3207102 (or 3207099 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 40651316847 in words is "forty billion, six hundred fifty-one million, three hundred sixteen thousand, eight hundred forty-seven".