40007761876 has 12 divisors (see below), whose sum is σ = 70033380340. Its totient is φ = 19998224640.

The previous prime is 40007761873. The next prime is 40007761877. The reversal of 40007761876 is 67816770004.

It can be written as a sum of positive squares in 2 ways, for example, as 32073228100 + 7934533776 = 179090^2 + 89076^2 .

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40007761873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1398141 + ... + 1426468.

Almost surely, 2^40007761876 is an apocalyptic number.

It is an amenable number.

40007761876 is a deficient number, since it is larger than the sum of its proper divisors (30025618464).

40007761876 is a wasteful number, since it uses less digits than its factorization.

40007761876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2828154 (or 2828152 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 46.

The spelling of 40007761876 in words is "forty billion, seven million, seven hundred sixty-one thousand, eight hundred seventy-six".