40607792243 has 2 divisors, whose sum is σ = 40607792244. Its totient is φ = 40607792242.

The previous prime is 40607792233. The next prime is 40607792287. The reversal of 40607792243 is 34229770604.

It is an a-pointer prime, because the next prime (40607792287) can be obtained adding 40607792243 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40607792243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40607792194 and 40607792203.

It is not a weakly prime, because it can be changed into another prime (40607792233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20303896121 + 20303896122.

It is an arithmetic number, because the mean of its divisors is an integer number (20303896122).

Almost surely, 2^40607792243 is an apocalyptic number.

40607792243 is a deficient number, since it is larger than the sum of its proper divisors (1).

40607792243 is an equidigital number, since it uses as much as digits as its factorization.

40607792243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 508032, while the sum is 44.

The spelling of 40607792243 in words is "forty billion, six hundred seven million, seven hundred ninety-two thousand, two hundred forty-three".