40163630406487 has 12 divisors (see below), whose sum is σ = 46721361269496. Its totient is φ = 34425671641200.

The previous prime is 40163630406479. The next prime is 40163630406491. The reversal of 40163630406487 is 78460403636104.

It is not a de Polignac number, because 40163630406487 - 2³ = 40163630406479 is a prime.

It is a super-2 number, since 2×40163630406487² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40163630406437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2290237 + ... + 9250537.

It is an arithmetic number, because the mean of its divisors is an integer number (3893446772458).

Almost surely, 2^{40163630406487} is an apocalyptic number.

40163630406487 is a deficient number, since it is larger than the sum of its proper divisors (6557730863009).

40163630406487 is a wasteful number, since it uses less digits than its factorization.

40163630406487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7078078 (or 7078071 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 52.

The spelling of 40163630406487 in words is "forty trillion, one hundred sixty-three billion, six hundred thirty million, four hundred six thousand, four hundred eighty-seven".