40212070667 has 2 divisors, whose sum is σ = 40212070668. Its totient is φ = 40212070666.

The previous prime is 40212070583. The next prime is 40212070699. The reversal of 40212070667 is 76607021204.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40212070667 is a prime.

It is not a weakly prime, because it can be changed into another prime (40217070667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20106035333 + 20106035334.

It is an arithmetic number, because the mean of its divisors is an integer number (20106035334).

Almost surely, 2^40212070667 is an apocalyptic number.

40212070667 is a deficient number, since it is larger than the sum of its proper divisors (1).

40212070667 is an equidigital number, since it uses as much as digits as its factorization.

40212070667 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 35.

The spelling of 40212070667 in words is "forty billion, two hundred twelve million, seventy thousand, six hundred sixty-seven".