40617897816 has 32 divisors (see below), whose sum is σ = 101559729600. Its totient is φ = 13537301280.

The previous prime is 40617897787. The next prime is 40617897863. The reversal of 40617897816 is 61879871604.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45915 + ... + 288693.

It is an arithmetic number, because the mean of its divisors is an integer number (3173741550).

Almost surely, 2^40617897816 is an apocalyptic number.

It is an amenable number.

40617897816 is an abundant number, since it is smaller than the sum of its proper divisors (60941831784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40617897816 is a wasteful number, since it uses less digits than its factorization.

40617897816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249759 (or 249755 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 57.

The spelling of 40617897816 in words is "forty billion, six hundred seventeen million, eight hundred ninety-seven thousand, eight hundred sixteen".