40108345051847 has 2 divisors, whose sum is σ = 40108345051848. Its totient is φ = 40108345051846.

The previous prime is 40108345051843. The next prime is 40108345051961. The reversal of 40108345051847 is 74815054380104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40108345051847 - 2² = 40108345051843 is a prime.

It is a super-2 number, since 2×40108345051847² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40108345051795 and 40108345051804.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40108345051843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20054172525923 + 20054172525924.

It is an arithmetic number, because the mean of its divisors is an integer number (20054172525924).

Almost surely, 2^{40108345051847} is an apocalyptic number.

40108345051847 is a deficient number, since it is larger than the sum of its proper divisors (1).

40108345051847 is an equidigital number, since it uses as much as digits as its factorization.

40108345051847 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2150400, while the sum is 50.

The spelling of 40108345051847 in words is "forty trillion, one hundred eight billion, three hundred forty-five million, fifty-one thousand, eight hundred forty-seven".