40234102427 has 2 divisors, whose sum is σ = 40234102428. Its totient is φ = 40234102426.

The previous prime is 40234102399. The next prime is 40234102457. The reversal of 40234102427 is 72420143204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40234102427 - 2²² = 40229908123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40234102427.

It is not a weakly prime, because it can be changed into another prime (40234102457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20117051213 + 20117051214.

It is an arithmetic number, because the mean of its divisors is an integer number (20117051214).

Almost surely, 2^40234102427 is an apocalyptic number.

40234102427 is a deficient number, since it is larger than the sum of its proper divisors (1).

40234102427 is an equidigital number, since it uses as much as digits as its factorization.

40234102427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 29.

The spelling of 40234102427 in words is "forty billion, two hundred thirty-four million, one hundred two thousand, four hundred twenty-seven".