3125505340 has 24 divisors (see below), whose sum is σ = 6582490992. Its totient is φ = 1246596480.

The previous prime is 3125505323. The next prime is 3125505379. The reversal of 3125505340 is 435055213.

It is a junction number, because it is equal to n+sod(n) for n = 3125505299 and 3125505308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218241 + ... + 232120.

It is an arithmetic number, because the mean of its divisors is an integer number (274270458).

Almost surely, 2^3125505340 is an apocalyptic number.

It is an amenable number.

3125505340 is an abundant number, since it is smaller than the sum of its proper divisors (3456985652).

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

3125505340 is a wasteful number, since it uses less digits than its factorization.

3125505340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450717 (or 450715 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 3125505340 is about 55906.2191531497. The cubic root of 3125505340 is about 1462.0876714255.

The spelling of 3125505340 in words is "three billion, one hundred twenty-five million, five hundred five thousand, three hundred forty".