855852400 has 60 divisors (see below), whose sum is σ = 2214366952. Its totient is φ = 316005120.

The previous prime is 855852377. The next prime is 855852401. The reversal of 855852400 is 4258558.

It is a self number, because there is not a number n which added to its sum of digits gives 855852400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855852401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77094 + ... + 87493.

Almost surely, 2^855852400 is an apocalyptic number.

855852400 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

855852400 is an abundant number, since it is smaller than the sum of its proper divisors (1358514552).

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

855852400 is a wasteful number, since it uses less digits than its factorization.

855852400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164618 (or 164607 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 37.

The square root of 855852400 is about 29254.9551358398. The cubic root of 855852400 is about 949.4373029690.

The spelling of 855852400 in words is "eight hundred fifty-five million, eight hundred fifty-two thousand, four hundred".