40270258247 has 2 divisors, whose sum is σ = 40270258248. Its totient is φ = 40270258246.

The previous prime is 40270258199. The next prime is 40270258297. The reversal of 40270258247 is 74285207204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40270258247 - 2²⁴ = 40253481031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40270258297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20135129123 + 20135129124.

It is an arithmetic number, because the mean of its divisors is an integer number (20135129124).

Almost surely, 2^40270258247 is an apocalyptic number.

40270258247 is a deficient number, since it is larger than the sum of its proper divisors (1).

40270258247 is an equidigital number, since it uses as much as digits as its factorization.

40270258247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 250880, while the sum is 41.

The spelling of 40270258247 in words is "forty billion, two hundred seventy million, two hundred fifty-eight thousand, two hundred forty-seven".