3504025040 has 160 divisors (see below), whose sum is σ = 8871101856. Its totient is φ = 1282211840.

The previous prime is 3504025033. The next prime is 3504025099. The reversal of 3504025040 is 405204053.

3504025040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 16 ways, for example, as 57395776 + 3446629264 = 7576^2 + 58708^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3504024997 and 3504025015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12469700 + ... + 12469980.

Almost surely, 2^3504025040 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 3504025040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4435550928).

3504025040 is an abundant number, since it is smaller than the sum of its proper divisors (5367076816).

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

3504025040 is a wasteful number, since it uses less digits than its factorization.

3504025040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537 (or 531 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 3504025040 is about 59194.8058532165. The cubic root of 3504025040 is about 1518.8762816411.

Adding to 3504025040 its reverse (405204053), we get a palindrome (3909229093).

The spelling of 3504025040 in words is "three billion, five hundred four million, twenty-five thousand, forty".