3494143380 has 192 divisors, whose sum is σ = 12138577920. Its totient is φ = 731275776.

The previous prime is 3494143361. The next prime is 3494143391. The reversal of 3494143380 is 833414943.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 690901 + ... + 695939.

It is an arithmetic number, because the mean of its divisors is an integer number (63221760).

Almost surely, 2^3494143380 is an apocalyptic number.

3494143380 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 3494143380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6069288960).

3494143380 is an abundant number, since it is smaller than the sum of its proper divisors (8644434540).

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

3494143380 is a wasteful number, since it uses less digits than its factorization.

3494143380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5198 (or 5196 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 39.

The square root of 3494143380 is about 59111.2796342627. The cubic root of 3494143380 is about 1517.4471489636.

The spelling of 3494143380 in words is "three billion, four hundred ninety-four million, one hundred forty-three thousand, three hundred eighty".