855982895040 has 336 divisors, whose sum is σ = 3623662031808. Its totient is φ = 180602929152.

The previous prime is 855982894973. The next prime is 855982895041. The reversal of 855982895040 is 40598289558.

855982895040 is a `hidden beast` number, since 8 + 559 + 8 + 28 + 9 + 50 + 4 + 0 = 666.

855982895040 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 (336).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855982895041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1370977 + ... + 1895136.

It is an arithmetic number, because the mean of its divisors is an integer number (10784708428).

Almost surely, 2^855982895040 is an apocalyptic number.

855982895040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

855982895040 is an abundant number, since it is smaller than the sum of its proper divisors (2767679136768).

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

855982895040 is a wasteful number, since it uses less digits than its factorization.

855982895040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3266156 (or 3266143 counting only the distinct ones).

The product of its (nonzero) digits is 41472000, while the sum is 63.

The spelling of 855982895040 in words is "eight hundred fifty-five billion, nine hundred eighty-two million, eight hundred ninety-five thousand, forty".