860474880 has 320 divisors, whose sum is σ = 3123014400. Its totient is φ = 224501760.

The previous prime is 860474833. The next prime is 860474887. The reversal of 860474880 is 88474068.

It is a tau number, because it is divible by the number of its divisors (320).

It is a super-2 number, since 2×860474880² = 1480834038222028800, which contains 22 as substring.

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 (860474887) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4077975 + ... + 4078185.

It is an arithmetic number, because the mean of its divisors is an integer number (9759420).

Almost surely, 2^860474880 is an apocalyptic number.

860474880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 860474880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1561507200).

860474880 is an abundant number, since it is smaller than the sum of its proper divisors (2262539520).

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

860474880 is a wasteful number, since it uses less digits than its factorization.

860474880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302 (or 280 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The square root of 860474880 is about 29333.8521166246. The cubic root of 860474880 is about 951.1435462844.

The spelling of 860474880 in words is "eight hundred sixty million, four hundred seventy-four thousand, eight hundred eighty".