5205130040 has 64 divisors (see below), whose sum is σ = 13527790560. Its totient is φ = 1781432320.

The previous prime is 5205129973. The next prime is 5205130079. The reversal of 5205130040 is 400315025.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 5205129994 and 5205130021.

It is a congruent number.

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, 340457 + ... + 355416.

Almost surely, 2^5205130040 is an apocalyptic number.

It is an amenable number.

5205130040 is an abundant number, since it is smaller than the sum of its proper divisors (8322660520).

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

5205130040 is a wasteful number, since it uses less digits than its factorization.

5205130040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695912 (or 695908 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 5205130040 is about 72146.5871680705. The cubic root of 5205130040 is about 1733.0477466701.

Adding to 5205130040 its reverse (400315025), we get a palindrome (5605445065).

The spelling of 5205130040 in words is "five billion, two hundred five million, one hundred thirty thousand, forty".