3143359840 has 96 divisors (see below), whose sum is σ = 7901730144. Its totient is φ = 1177559040.

The previous prime is 3143359811. The next prime is 3143359841. The reversal of 3143359840 is 489533413.

It is a happy number.

It is a super-2 number, since 2×3143359840² = 19761422167449651200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 3143359793 and 3143359802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3143359841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 571182 + ... + 576658.

It is an arithmetic number, because the mean of its divisors is an integer number (82309689).

Almost surely, 2^3143359840 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 3143359840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3950865072).

3143359840 is an abundant number, since it is smaller than the sum of its proper divisors (4758370304).

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

3143359840 is a wasteful number, since it uses less digits than its factorization.

3143359840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5720 (or 5712 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 3143359840 is about 56065.6743471440. The cubic root of 3143359840 is about 1464.8664533648.

The spelling of 3143359840 in words is "three billion, one hundred forty-three million, three hundred fifty-nine thousand, eight hundred forty".