40873915238 has 16 divisors (see below), whose sum is σ = 66408760656. Its totient is φ = 18755836320.

The previous prime is 40873915219. The next prime is 40873915249. The reversal of 40873915238 is 83251937804.

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, 4539068 + ... + 4548063.

It is an arithmetic number, because the mean of its divisors is an integer number (4150547541).

Almost surely, 2^40873915238 is an apocalyptic number.

40873915238 is a deficient number, since it is larger than the sum of its proper divisors (25534845418).

40873915238 is a wasteful number, since it uses less digits than its factorization.

40873915238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9087319.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 40873915238 in words is "forty billion, eight hundred seventy-three million, nine hundred fifteen thousand, two hundred thirty-eight".