3122256040 has 64 divisors (see below), whose sum is σ = 7466204160. Its totient is φ = 1171031040.

The previous prime is 3122256037. The next prime is 3122256043. The reversal of 3122256040 is 406522213.

It is an interprime number because it is at equal distance from previous prime (3122256037) and next prime (3122256043).

It is a junction number, because it is equal to n+sod(n) for n = 3122255996 and 3122256014.

It is not an unprimeable number, because it can be changed into a prime (3122256043) 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, 175809 + ... + 192751.

It is an arithmetic number, because the mean of its divisors is an integer number (116659440).

Almost surely, 2^3122256040 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 3122256040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3733102080).

3122256040 is an abundant number, since it is smaller than the sum of its proper divisors (4343948120).

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

3122256040 is a wasteful number, since it uses less digits than its factorization.

3122256040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17242 (or 17238 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 3122256040 is about 55877.1513232377. The cubic root of 3122256040 is about 1461.5808297882.

Adding to 3122256040 its reverse (406522213), we get a palindrome (3528778253).

The spelling of 3122256040 in words is "three billion, one hundred twenty-two million, two hundred fifty-six thousand, forty".