40875093638 has 4 divisors (see below), whose sum is σ = 61312640460. Its totient is φ = 20437546818.

The previous prime is 40875093629. The next prime is 40875093643. The reversal of 40875093638 is 83639057804.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 40875093638.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10218773408 + ... + 10218773411.

It is an arithmetic number, because the mean of its divisors is an integer number (15328160115).

Almost surely, 2^40875093638 is an apocalyptic number.

40875093638 is a deficient number, since it is larger than the sum of its proper divisors (20437546822).

40875093638 is a wasteful number, since it uses less digits than its factorization.

40875093638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20437546821.

The product of its (nonzero) digits is 4354560, while the sum is 53.

The spelling of 40875093638 in words is "forty billion, eight hundred seventy-five million, ninety-three thousand, six hundred thirty-eight".