858419040 has 48 divisors (see below), whose sum is σ = 2704021488. Its totient is φ = 228911616.

The previous prime is 858419033. The next prime is 858419071. The reversal of 858419040 is 40914858.

858419040 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 (48).

It is a self number, because there is not a number n which added to its sum of digits gives 858419040.

It is a congruent number.

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, 893707 + ... + 894666.

It is an arithmetic number, because the mean of its divisors is an integer number (56333781).

Almost surely, 2^858419040 is an apocalyptic number.

858419040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

858419040 is an abundant number, since it is smaller than the sum of its proper divisors (1845602448).

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

858419040 is a wasteful number, since it uses less digits than its factorization.

858419040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1788391 (or 1788383 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 858419040 is about 29298.7890534745. The cubic root of 858419040 is about 950.3854539260.

The spelling of 858419040 in words is "eight hundred fifty-eight million, four hundred nineteen thousand, forty".