40130787443 has 2 divisors, whose sum is σ = 40130787444. Its totient is φ = 40130787442.

The previous prime is 40130787407. The next prime is 40130787533. The reversal of 40130787443 is 34478703104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40130787443 - 2⁸ = 40130787187 is a prime.

It is a super-2 number, since 2×40130787443² (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 40130787443.

It is not a weakly prime, because it can be changed into another prime (40130787043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20065393721 + 20065393722.

It is an arithmetic number, because the mean of its divisors is an integer number (20065393722).

Almost surely, 2^40130787443 is an apocalyptic number.

40130787443 is a deficient number, since it is larger than the sum of its proper divisors (1).

40130787443 is an equidigital number, since it uses as much as digits as its factorization.

40130787443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 225792, while the sum is 41.

The spelling of 40130787443 in words is "forty billion, one hundred thirty million, seven hundred eighty-seven thousand, four hundred forty-three".