8140717550 has 48 divisors (see below), whose sum is σ = 17315653632. Its totient is φ = 2789359200.

The previous prime is 8140717547. The next prime is 8140717577. The reversal of 8140717550 is 557170418.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 634499 + ... + 647201.

It is an arithmetic number, because the mean of its divisors is an integer number (360742784).

Almost surely, 2^8140717550 is an apocalyptic number.

8140717550 is an abundant number, since it is smaller than the sum of its proper divisors (9174936082).

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

8140717550 is a wasteful number, since it uses less digits than its factorization.

8140717550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14553 (or 14548 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 38.

The square root of 8140717550 is about 90225.9250437478. The cubic root of 8140717550 is about 2011.6583716372.

Adding to 8140717550 its reverse (557170418), we get a palindrome (8697887968).

The spelling of 8140717550 in words is "eight billion, one hundred forty million, seven hundred seventeen thousand, five hundred fifty".