858471803040 has 96 divisors (see below), whose sum is σ = 2704756694976. Its totient is φ = 228877516800.

The previous prime is 858471803027. The next prime is 858471803053. The reversal of 858471803040 is 40308174858.

It is an interprime number because it is at equal distance from previous prime (858471803027) and next prime (858471803053).

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×858471803040² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2118219 + ... + 2490741.

It is an arithmetic number, because the mean of its divisors is an integer number (28174548906).

Almost surely, 2^858471803040 is an apocalyptic number.

858471803040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

858471803040 is an abundant number, since it is smaller than the sum of its proper divisors (1846284891936).

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

858471803040 is a wasteful number, since it uses less digits than its factorization.

858471803040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377342 (or 377334 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 48.

Adding to 858471803040 its reverse (40308174858), we get a palindrome (898779977898).

The spelling of 858471803040 in words is "eight hundred fifty-eight billion, four hundred seventy-one million, eight hundred three thousand, forty".