3490000728280 has 32 divisors (see below), whose sum is σ = 8566365425040. Its totient is φ = 1269091173760.

The previous prime is 3490000728233. The next prime is 3490000728299. The reversal of 3490000728280 is 828270000943.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3965909479 + ... + 3965910358.

Almost surely, 2^{3490000728280} is an apocalyptic number.

It is an amenable number.

3490000728280 is an abundant number, since it is smaller than the sum of its proper divisors (5076364696760).

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

3490000728280 is a wasteful number, since it uses less digits than its factorization.

3490000728280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7931819859 (or 7931819855 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 43.

The spelling of 3490000728280 in words is "three trillion, four hundred ninety billion, seven hundred twenty-eight thousand, two hundred eighty".