40147047407 has 2 divisors, whose sum is σ = 40147047408. Its totient is φ = 40147047406.

The previous prime is 40147047373. The next prime is 40147047491. The reversal of 40147047407 is 70474074104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40147047407 - 2⁸ = 40147047151 is a prime.

It is a super-2 number, since 2×40147047407² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40147047497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20073523703 + 20073523704.

It is an arithmetic number, because the mean of its divisors is an integer number (20073523704).

Almost surely, 2^40147047407 is an apocalyptic number.

40147047407 is a deficient number, since it is larger than the sum of its proper divisors (1).

40147047407 is an equidigital number, since it uses as much as digits as its factorization.

40147047407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 87808, while the sum is 38.

The spelling of 40147047407 in words is "forty billion, one hundred forty-seven million, forty-seven thousand, four hundred seven".