40451212709927 has 2 divisors, whose sum is σ = 40451212709928. Its totient is φ = 40451212709926.

The previous prime is 40451212709821. The next prime is 40451212709977. The reversal of 40451212709927 is 72990721215404.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40451212709927 - 2⁸ = 40451212709671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40451212709977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20225606354963 + 20225606354964.

It is an arithmetic number, because the mean of its divisors is an integer number (20225606354964).

Almost surely, 2^{40451212709927} is an apocalyptic number.

40451212709927 is a deficient number, since it is larger than the sum of its proper divisors (1).

40451212709927 is an equidigital number, since it uses as much as digits as its factorization.

40451212709927 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2540160, while the sum is 53.

The spelling of 40451212709927 in words is "forty trillion, four hundred fifty-one billion, two hundred twelve million, seven hundred nine thousand, nine hundred twenty-seven".