52040015760 has 40 divisors (see below), whose sum is σ = 161324049600. Its totient is φ = 13877337472.

The previous prime is 52040015759. The next prime is 52040015789. The reversal of 52040015760 is 6751004025.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 108416460 + ... + 108416939.

It is an arithmetic number, because the mean of its divisors is an integer number (4033101240).

Almost surely, 2^52040015760 is an apocalyptic number.

It is an amenable number.

52040015760 is an abundant number, since it is smaller than the sum of its proper divisors (109284033840).

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

52040015760 is a wasteful number, since it uses less digits than its factorization.

52040015760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216833415 (or 216833409 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

Adding to 52040015760 its reverse (6751004025), we get a palindrome (58791019785).

The spelling of 52040015760 in words is "fifty-two billion, forty million, fifteen thousand, seven hundred sixty".