855834052000 has 48 divisors (see below), whose sum is σ = 2102784275592. Its totient is φ = 342333619200.

The previous prime is 855834051973. The next prime is 855834052033. The reversal of 855834052000 is 250438558.

It can be written as a sum of positive squares in 4 ways, for example, as 111665578896 + 744168473104 = 334164^2 + 862652^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106975257 + ... + 106983256.

Almost surely, 2^855834052000 is an apocalyptic number.

855834052000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

855834052000 is an abundant number, since it is smaller than the sum of its proper divisors (1246950223592).

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

855834052000 is a wasteful number, since it uses less digits than its factorization.

855834052000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213958538 (or 213958520 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 40.

The spelling of 855834052000 in words is "eight hundred fifty-five billion, eight hundred thirty-four million, fifty-two thousand".