40123161475 has 6 divisors (see below), whose sum is σ = 49752720260. Its totient is φ = 32098529160.

The previous prime is 40123161467. The next prime is 40123161511. The reversal of 40123161475 is 57416132104.

It is not a de Polignac number, because 40123161475 - 2³ = 40123161467 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40123161475.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 802463205 + ... + 802463254.

Almost surely, 2^40123161475 is an apocalyptic number.

40123161475 is a deficient number, since it is larger than the sum of its proper divisors (9629558785).

40123161475 is a wasteful number, since it uses less digits than its factorization.

40123161475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1604926469 (or 1604926464 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

Adding to 40123161475 its reverse (57416132104), we get a palindrome (97539293579).

The spelling of 40123161475 in words is "forty billion, one hundred twenty-three million, one hundred sixty-one thousand, four hundred seventy-five".