40001332463 has 2 divisors, whose sum is σ = 40001332464. Its totient is φ = 40001332462.

The previous prime is 40001332433. The next prime is 40001332477. The reversal of 40001332463 is 36423310004.

It is a happy number.

40001332463 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40001332463 - 2¹⁰ = 40001331439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40001332403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20000666231 + 20000666232.

It is an arithmetic number, because the mean of its divisors is an integer number (20000666232).

Almost surely, 2^40001332463 is an apocalyptic number.

40001332463 is a deficient number, since it is larger than the sum of its proper divisors (1).

40001332463 is an equidigital number, since it uses as much as digits as its factorization.

40001332463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 40001332463 its reverse (36423310004), we get a palindrome (76424642467).

The spelling of 40001332463 in words is "forty billion, one million, three hundred thirty-two thousand, four hundred sixty-three".