52003992040 has 192 divisors, whose sum is σ = 159909240960. Its totient is φ = 14962106880.

The previous prime is 52003992031. The next prime is 52003992097. The reversal of 52003992040 is 4029930025.

It is a junction number, because it is equal to n+sod(n) for n = 52003991987 and 52003992005.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 187509 + ... + 373051.

It is an arithmetic number, because the mean of its divisors is an integer number (832860630).

Almost surely, 2^52003992040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52003992040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79954620480).

52003992040 is an abundant number, since it is smaller than the sum of its proper divisors (107905248920).

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

52003992040 is a wasteful number, since it uses less digits than its factorization.

52003992040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185592 (or 185581 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

The spelling of 52003992040 in words is "fifty-two billion, three million, nine hundred ninety-two thousand, forty".