3119143440 has 160 divisors (see below), whose sum is σ = 11100718080. Its totient is φ = 709719552.

The previous prime is 3119143421. The next prime is 3119143453. The reversal of 3119143440 is 443419113.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 3119143398 and 3119143407.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 377271 + ... + 385449.

It is an arithmetic number, because the mean of its divisors is an integer number (69379488).

Almost surely, 2^3119143440 is an apocalyptic number.

3119143440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3119143440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5550359040).

3119143440 is an abundant number, since it is smaller than the sum of its proper divisors (7981574640).

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

3119143440 is a wasteful number, since it uses less digits than its factorization.

3119143440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8429 (or 8423 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 3119143440 is about 55849.2922067952. The cubic root of 3119143440 is about 1461.0949814124.

The spelling of 3119143440 in words is "three billion, one hundred nineteen million, one hundred forty-three thousand, four hundred forty".