3155224240 has 40 divisors (see below), whose sum is σ = 8383883040. Its totient is φ = 1081790976.

The previous prime is 3155224217. The next prime is 3155224301. The reversal of 3155224240 is 424225513.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 3155224199 and 3155224208.

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, 2816605 + ... + 2817724.

It is an arithmetic number, because the mean of its divisors is an integer number (209597076).

Almost surely, 2^3155224240 is an apocalyptic number.

It is an amenable number.

3155224240 is an abundant number, since it is smaller than the sum of its proper divisors (5228658800).

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

3155224240 is a wasteful number, since it uses less digits than its factorization.

3155224240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5634349 (or 5634343 counting only the distinct ones).

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

The square root of 3155224240 is about 56171.3827495817. The cubic root of 3155224240 is about 1466.7071526932.

Adding to 3155224240 its reverse (424225513), we get a palindrome (3579449753).

The spelling of 3155224240 in words is "three billion, one hundred fifty-five million, two hundred twenty-four thousand, two hundred forty".