859860540 has 144 divisors (see below), whose sum is σ = 3251888640. Its totient is φ = 178669440.

The previous prime is 859860539. The next prime is 859860541. The reversal of 859860540 is 45068958.

859860540 is a `hidden beast` number, since 8 + 598 + 6 + 0 + 54 + 0 = 666.

859860540 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (859860539) and next prime (859860541).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (859860541) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17160 + ... + 44879.

It is an arithmetic number, because the mean of its divisors is an integer number (22582560).

Almost surely, 2^859860540 is an apocalyptic number.

It is an amenable number.

859860540 is an abundant number, since it is smaller than the sum of its proper divisors (2392028100).

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

859860540 is a wasteful number, since it uses less digits than its factorization.

859860540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62072 (or 62067 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The square root of 859860540 is about 29323.3787275614. The cubic root of 859860540 is about 950.9171346228.

The spelling of 859860540 in words is "eight hundred fifty-nine million, eight hundred sixty thousand, five hundred forty".