3398074736720 has 20 divisors (see below), whose sum is σ = 7900523763060. Its totient is φ = 1359229894656.

The previous prime is 3398074736699. The next prime is 3398074736729. The reversal of 3398074736720 is 276374708933.

It can be written as a sum of positive squares in 2 ways, for example, as 843179389504 + 2554895347216 = 918248^2 + 1598404^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 3398074736720.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3398074736729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21237967025 + ... + 21237967184.

It is an arithmetic number, because the mean of its divisors is an integer number (395026188153).

Almost surely, 2^{3398074736720} is an apocalyptic number.

It is an amenable number.

3398074736720 is an abundant number, since it is smaller than the sum of its proper divisors (4502449026340).

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

3398074736720 is a wasteful number, since it uses less digits than its factorization.

3398074736720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42475934222 (or 42475934216 counting only the distinct ones).

The product of its (nonzero) digits is 32006016, while the sum is 59.

The spelling of 3398074736720 in words is "three trillion, three hundred ninety-eight billion, seventy-four million, seven hundred thirty-six thousand, seven hundred twenty".