3515242240 has 36 divisors (see below), whose sum is σ = 8420106744. Its totient is φ = 1406096384.

The previous prime is 3515242183. The next prime is 3515242253. The reversal of 3515242240 is 422425153.

It is a junction number, because it is equal to n+sod(n) for n = 3515242199 and 3515242208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1371862 + ... + 1374421.

It is an arithmetic number, because the mean of its divisors is an integer number (233891854).

Almost surely, 2^3515242240 is an apocalyptic number.

It is an amenable number.

3515242240 is an abundant number, since it is smaller than the sum of its proper divisors (4904864504).

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

3515242240 is an equidigital number, since it uses as much as digits as its factorization.

3515242240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2746304 (or 2746290 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 3515242240 is about 59289.4783245729. The cubic root of 3515242240 is about 1520.4953141081.

Adding to 3515242240 its reverse (422425153), we get a palindrome (3937667393).

The spelling of 3515242240 in words is "three billion, five hundred fifteen million, two hundred forty-two thousand, two hundred forty".