3428636885780 has 24 divisors (see below), whose sum is σ = 7201721143008. Its totient is φ = 1371153100448.

The previous prime is 3428636885699. The next prime is 3428636885783. The reversal of 3428636885780 is 875886368243.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 3428636885780.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3428636885783) 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 7 ways as a sum of consecutive naturals, for example, 18760154 + ... + 18942033.

It is an arithmetic number, because the mean of its divisors is an integer number (300071714292).

Almost surely, 2^{3428636885780} is an apocalyptic number.

It is an amenable number.

3428636885780 is an abundant number, since it is smaller than the sum of its proper divisors (3773084257228).

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

3428636885780 is a wasteful number, since it uses less digits than its factorization.

3428636885780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37706743 (or 37706741 counting only the distinct ones).

The product of its (nonzero) digits is 371589120, while the sum is 68.

The spelling of 3428636885780 in words is "three trillion, four hundred twenty-eight billion, six hundred thirty-six million, eight hundred eighty-five thousand, seven hundred eighty".