3503425640 has 128 divisors (see below), whose sum is σ = 9379238400. Its totient is φ = 1160939520.

The previous prime is 3503425613. The next prime is 3503425657. The reversal of 3503425640 is 465243053.

It is a junction number, because it is equal to n+sod(n) for n = 3503425597 and 3503425606.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 448004 + ... + 455756.

It is an arithmetic number, because the mean of its divisors is an integer number (73275300).

Almost surely, 2^3503425640 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 3503425640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4689619200).

3503425640 is an abundant number, since it is smaller than the sum of its proper divisors (5875812760).

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

3503425640 is a wasteful number, since it uses less digits than its factorization.

3503425640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7867 (or 7863 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

The square root of 3503425640 is about 59189.7426924632. The cubic root of 3503425640 is about 1518.7896701634.

Adding to 3503425640 its reverse (465243053), we get a palindrome (3968668693).

The spelling of 3503425640 in words is "three billion, five hundred three million, four hundred twenty-five thousand, six hundred forty".