40838888287 has 16 divisors (see below), whose sum is σ = 43551129600. Its totient is φ = 38183352480.

The previous prime is 40838888281. The next prime is 40838888303. The reversal of 40838888287 is 78288883804.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40838888287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40838888281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4830498 + ... + 4838944.

It is an arithmetic number, because the mean of its divisors is an integer number (2721945600).

Almost surely, 2^40838888287 is an apocalyptic number.

40838888287 is a deficient number, since it is larger than the sum of its proper divisors (2712241313).

40838888287 is a wasteful number, since it uses less digits than its factorization.

40838888287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11766.

The product of its (nonzero) digits is 44040192, while the sum is 64.

The spelling of 40838888287 in words is "forty billion, eight hundred thirty-eight million, eight hundred eighty-eight thousand, two hundred eighty-seven".