3162505240 has 64 divisors (see below), whose sum is σ = 7559244000. Its totient is φ = 1186633728.

The previous prime is 3162505237. The next prime is 3162505249. The reversal of 3162505240 is 425052613.

It is a junction number, because it is equal to n+sod(n) for n = 3162505199 and 3162505208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3162505249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201186 + ... + 216334.

Almost surely, 2^3162505240 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 3162505240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3779622000).

3162505240 is an abundant number, since it is smaller than the sum of its proper divisors (4396738760).

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

3162505240 is a wasteful number, since it uses less digits than its factorization.

3162505240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15484 (or 15480 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 3162505240 is about 56236.1559852734. The cubic root of 3162505240 is about 1467.8344778443.

Adding to 3162505240 its reverse (425052613), we get a palindrome (3587557853).

The spelling of 3162505240 in words is "three billion, one hundred sixty-two million, five hundred five thousand, two hundred forty".