52104042011440 has 80 divisors (see below), whose sum is σ = 123389305793280. Its totient is φ = 20457552254720.

The previous prime is 52104042011387. The next prime is 52104042011453. The reversal of 52104042011440 is 4411024040125.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 52104042011399 and 52104042011408.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18916030 + ... + 21494749.

It is an arithmetic number, because the mean of its divisors is an integer number (1542366322416).

Almost surely, 2^{52104042011440} is an apocalyptic number.

It is an amenable number.

52104042011440 is an abundant number, since it is smaller than the sum of its proper divisors (71285263781840).

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

52104042011440 is a wasteful number, since it uses less digits than its factorization.

52104042011440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40411090 (or 40411084 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 28.

Adding to 52104042011440 its reverse (4411024040125), we get a palindrome (56515066051565).

The spelling of 52104042011440 in words is "fifty-two trillion, one hundred four billion, forty-two million, eleven thousand, four hundred forty".