40390027505323 has 2 divisors, whose sum is σ = 40390027505324. Its totient is φ = 40390027505322.

The previous prime is 40390027505227. The next prime is 40390027505369. The reversal of 40390027505323 is 32350572009304.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40390027505323 - 2¹⁷ = 40390027374251 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40390027505323.

It is not a weakly prime, because it can be changed into another prime (40390027505423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20195013752661 + 20195013752662.

It is an arithmetic number, because the mean of its divisors is an integer number (20195013752662).

Almost surely, 2^{40390027505323} is an apocalyptic number.

40390027505323 is a deficient number, since it is larger than the sum of its proper divisors (1).

40390027505323 is an equidigital number, since it uses as much as digits as its factorization.

40390027505323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 680400, while the sum is 43.

The spelling of 40390027505323 in words is "forty trillion, three hundred ninety billion, twenty-seven million, five hundred five thousand, three hundred twenty-three".