3515223040 has 88 divisors (see below), whose sum is σ = 9637144992. Its totient is φ = 1205207040.

The previous prime is 3515223029. The next prime is 3515223043. The reversal of 3515223040 is 403225153.

It is a junction number, because it is equal to n+sod(n) for n = 3515222996 and 3515223014.

It is not an unprimeable number, because it can be changed into a prime (3515223043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13201 + ... + 84880.

Almost surely, 2^3515223040 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 3515223040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4818572496).

3515223040 is an abundant number, since it is smaller than the sum of its proper divisors (6121921952).

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

3515223040 is an equidigital number, since it uses as much as digits as its factorization.

3515223040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98113 (or 98095 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 3515223040 is about 59289.3164069211. The cubic root of 3515223040 is about 1520.4925458244.

Adding to 3515223040 its reverse (403225153), we get a palindrome (3918448193).

The spelling of 3515223040 in words is "three billion, five hundred fifteen million, two hundred twenty-three thousand, forty".