40163871423952 has 40 divisors (see below), whose sum is σ = 78836756133600. Its totient is φ = 19820297507712.

The previous prime is 40163871423937. The next prime is 40163871423971. The reversal of 40163871423952 is 25932417836104.

It is a super-3 number, since 3×40163871423952³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 40163871423893 and 40163871423902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43145802 + ... + 44066857.

It is an arithmetic number, because the mean of its divisors is an integer number (1970918903340).

It is a 1-persistent number, because it is pandigital, but 2⋅40163871423952 = 80327742847904 is not.

Almost surely, 2^{40163871423952} is an apocalyptic number.

It is an amenable number.

40163871423952 is a deficient number, since it is larger than the sum of its proper divisors (38672884709648).

40163871423952 is a wasteful number, since it uses less digits than its factorization.

40163871423952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87213043 (or 87213037 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 40163871423952 in words is "forty trillion, one hundred sixty-three billion, eight hundred seventy-one million, four hundred twenty-three thousand, nine hundred fifty-two".