3155330240 has 56 divisors (see below), whose sum is σ = 7572890112. Its totient is φ = 1252177920.

The previous prime is 3155330221. The next prime is 3155330267. The reversal of 3155330240 is 420335513.

It is a super-2 number, since 2×3155330240² = 19912217846916915200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1820 + ... + 79460.

Almost surely, 2^3155330240 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 3155330240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3786445056).

3155330240 is an abundant number, since it is smaller than the sum of its proper divisors (4417559872).

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

3155330240 is a wasteful number, since it uses less digits than its factorization.

3155330240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77785 (or 77775 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 3155330240 is about 56172.3262826100. The cubic root of 3155330240 is about 1466.7235772224.

Adding to 3155330240 its reverse (420335513), we get a palindrome (3575665753).

The spelling of 3155330240 in words is "three billion, one hundred fifty-five million, three hundred thirty thousand, two hundred forty".