40111319 has 2 divisors, whose sum is σ = 40111320. Its totient is φ = 40111318.

The previous prime is 40111307. The next prime is 40111339. The reversal of 40111319 is 91311104.

It is an a-pointer prime, because the next prime (40111339) can be obtained adding 40111319 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40111319 - 2⁸ = 40111063 is a prime.

It is a super-2 number, since 2×40111319² = 3217835823839522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40111319.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40111339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20055659 + 20055660.

It is an arithmetic number, because the mean of its divisors is an integer number (20055660).

Almost surely, 2^40111319 is an apocalyptic number.

40111319 is a deficient number, since it is larger than the sum of its proper divisors (1).

40111319 is an equidigital number, since it uses as much as digits as its factorization.

40111319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 40111319 is about 6333.3497455928. The cubic root of 40111319 is about 342.3121501729.

The spelling of 40111319 in words is "forty million, one hundred eleven thousand, three hundred nineteen".