3125004240 has 80 divisors (see below), whose sum is σ = 9713092608. Its totient is φ = 831134208.

The previous prime is 3125004193. The next prime is 3125004257. The reversal of 3125004240 is 424005213.

3125004240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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, 74922 + ... + 108918.

Almost surely, 2^3125004240 is an apocalyptic number.

3125004240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3125004240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4856546304).

3125004240 is an abundant number, since it is smaller than the sum of its proper divisors (6588088368).

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

3125004240 is a wasteful number, since it uses less digits than its factorization.

3125004240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34396 (or 34390 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 3125004240 is about 55901.7373611948. The cubic root of 3125004240 is about 1462.0095303240.

Adding to 3125004240 its reverse (424005213), we get a palindrome (3549009453).

The spelling of 3125004240 in words is "three billion, one hundred twenty-five million, four thousand, two hundred forty".