40887694241 has 4 divisors (see below), whose sum is σ = 40890973332. Its totient is φ = 40884415152.

The previous prime is 40887694223. The next prime is 40887694259. The reversal of 40887694241 is 14249678804.

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

It is an interprime number because it is at equal distance from previous prime (40887694223) and next prime (40887694259).

It can be written as a sum of positive squares in 2 ways, for example, as 36145994641 + 4741699600 = 190121^2 + 68860^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40887694241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40887694201) 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, 1620770 + ... + 1645803.

It is an arithmetic number, because the mean of its divisors is an integer number (10222743333).

Almost surely, 2^40887694241 is an apocalyptic number.

It is an amenable number.

40887694241 is a deficient number, since it is larger than the sum of its proper divisors (3279091).

40887694241 is a wasteful number, since it uses less digits than its factorization.

40887694241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3279090.

The product of its (nonzero) digits is 3096576, while the sum is 53.

The spelling of 40887694241 in words is "forty billion, eight hundred eighty-seven million, six hundred ninety-four thousand, two hundred forty-one".