40232009047 has 2 divisors, whose sum is σ = 40232009048. Its totient is φ = 40232009046.

The previous prime is 40232009011. The next prime is 40232009161. The reversal of 40232009047 is 74090023204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40232009047 - 2⁷ = 40232008919 is a prime.

It is a super-2 number, since 2×40232009047² (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 (40232009647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20116004523 + 20116004524.

It is an arithmetic number, because the mean of its divisors is an integer number (20116004524).

Almost surely, 2^40232009047 is an apocalyptic number.

40232009047 is a deficient number, since it is larger than the sum of its proper divisors (1).

40232009047 is an equidigital number, since it uses as much as digits as its factorization.

40232009047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 31.

The spelling of 40232009047 in words is "forty billion, two hundred thirty-two million, nine thousand, forty-seven".