40788683881 has 12 divisors (see below), whose sum is σ = 45245176900. Its totient is φ = 36740420640.

The previous prime is 40788683867. The next prime is 40788683893. The reversal of 40788683881 is 18838688704.

It can be written as a sum of positive squares in 2 ways, for example, as 12389693481 + 28398990400 = 111309^2 + 168520^2 .

It is not a de Polignac number, because 40788683881 - 2⁷ = 40788683753 is a prime.

It is a super-2 number, since 2×40788683881² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40788683821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1533126 + ... + 1559503.

Almost surely, 2^40788683881 is an apocalyptic number.

It is an amenable number.

40788683881 is a deficient number, since it is larger than the sum of its proper divisors (4456493019).

40788683881 is a wasteful number, since it uses less digits than its factorization.

40788683881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3092760 (or 3092749 counting only the distinct ones).

The product of its (nonzero) digits is 16515072, while the sum is 61.

The spelling of 40788683881 in words is "forty billion, seven hundred eighty-eight million, six hundred eighty-three thousand, eight hundred eighty-one".