840348425859 has 8 divisors (see below), whose sum is σ = 1123789389840. Its totient is φ = 558569872896.

The previous prime is 840348425857. The next prime is 840348425867. The reversal of 840348425859 is 958524843048.

840348425859 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 840348425859 - 2¹ = 840348425857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (840348425857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 415601574 + ... + 415603595.

It is an arithmetic number, because the mean of its divisors is an integer number (140473673730).

Almost surely, 2^840348425859 is an apocalyptic number.

840348425859 is a deficient number, since it is larger than the sum of its proper divisors (283440963981).

840348425859 is a wasteful number, since it uses less digits than its factorization.

840348425859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831205509.

The product of its (nonzero) digits is 44236800, while the sum is 60.

The spelling of 840348425859 in words is "eight hundred forty billion, three hundred forty-eight million, four hundred twenty-five thousand, eight hundred fifty-nine".