40023214279 has 2 divisors, whose sum is σ = 40023214280. Its totient is φ = 40023214278.

The previous prime is 40023214277. The next prime is 40023214303. The reversal of 40023214279 is 97241232004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40023214279 - 2¹ = 40023214277 is a prime.

Together with 40023214277, 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 (40023214271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20011607139 + 20011607140.

It is an arithmetic number, because the mean of its divisors is an integer number (20011607140).

Almost surely, 2^40023214279 is an apocalyptic number.

40023214279 is a deficient number, since it is larger than the sum of its proper divisors (1).

40023214279 is an equidigital number, since it uses as much as digits as its factorization.

40023214279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 34.

The spelling of 40023214279 in words is "forty billion, twenty-three million, two hundred fourteen thousand, two hundred seventy-nine".