40239973876 has 24 divisors (see below), whose sum is σ = 71331276800. Its totient is φ = 19861202592.

The previous prime is 40239973861. The next prime is 40239973877. The reversal of 40239973876 is 67837993204.

It is a self number, because there is not a number n which added to its sum of digits gives 40239973876.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40239973877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97935 + ... + 300118.

Almost surely, 2^40239973876 is an apocalyptic number.

It is an amenable number.

40239973876 is a deficient number, since it is larger than the sum of its proper divisors (31091302924).

40239973876 is a wasteful number, since it uses less digits than its factorization.

40239973876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398383 (or 398381 counting only the distinct ones).

The product of its (nonzero) digits is 13716864, while the sum is 58.

The spelling of 40239973876 in words is "forty billion, two hundred thirty-nine million, nine hundred seventy-three thousand, eight hundred seventy-six".