4206689358640 has 40 divisors (see below), whose sum is σ = 9790151135760. Its totient is φ = 1681024409856.

The previous prime is 4206689358467. The next prime is 4206689358737. The reversal of 4206689358640 is 468539866024.

4206689358640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25720059 + ... + 25883098.

It is an arithmetic number, because the mean of its divisors is an integer number (244753778394).

Almost surely, 2^{4206689358640} is an apocalyptic number.

4206689358640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4206689358640 is an abundant number, since it is smaller than the sum of its proper divisors (5583461777120).

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

4206689358640 is a wasteful number, since it uses less digits than its factorization.

4206689358640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51604189 (or 51604183 counting only the distinct ones).

The product of its (nonzero) digits is 59719680, while the sum is 61.

The spelling of 4206689358640 in words is "four trillion, two hundred six billion, six hundred eighty-nine million, three hundred fifty-eight thousand, six hundred forty".