40573516747 has 2 divisors, whose sum is σ = 40573516748. Its totient is φ = 40573516746.

The previous prime is 40573516679. The next prime is 40573516757. The reversal of 40573516747 is 74761537504.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40573516747 - 2⁷ = 40573516619 is a prime.

It is a super-2 number, since 2×40573516747² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40573516747.

It is not a weakly prime, because it can be changed into another prime (40573516757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20286758373 + 20286758374.

It is an arithmetic number, because the mean of its divisors is an integer number (20286758374).

Almost surely, 2^40573516747 is an apocalyptic number.

40573516747 is a deficient number, since it is larger than the sum of its proper divisors (1).

40573516747 is an equidigital number, since it uses as much as digits as its factorization.

40573516747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2469600, while the sum is 49.

The spelling of 40573516747 in words is "forty billion, five hundred seventy-three million, five hundred sixteen thousand, seven hundred forty-seven".