40244130319 has 2 divisors, whose sum is σ = 40244130320. Its totient is φ = 40244130318.

The previous prime is 40244130317. The next prime is 40244130391. The reversal of 40244130319 is 91303144204.

Together with next prime (40244130391) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40244130319 - 2¹ = 40244130317 is a prime.

It is a super-2 number, since 2×40244130319² (a number of 22 digits) contains 22 as substring.

Together with 40244130317, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40244130317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20122065159 + 20122065160.

It is an arithmetic number, because the mean of its divisors is an integer number (20122065160).

Almost surely, 2^40244130319 is an apocalyptic number.

40244130319 is a deficient number, since it is larger than the sum of its proper divisors (1).

40244130319 is an equidigital number, since it uses as much as digits as its factorization.

40244130319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 40244130319 in words is "forty billion, two hundred forty-four million, one hundred thirty thousand, three hundred nineteen".