855989054046 has 64 divisors (see below), whose sum is σ = 2226963432960. Its totient is φ = 238603216320.

The previous prime is 855989054017. The next prime is 855989054047. The reversal of 855989054046 is 640450989558.

855989054046 is a `hidden beast` number, since 8 + 5 + 5 + 9 + 89 + 0 + 540 + 4 + 6 = 666.

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 (855989054047) 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, 27600616 + ... + 27631611.

It is an arithmetic number, because the mean of its divisors is an integer number (34796303640).

Almost surely, 2^855989054046 is an apocalyptic number.

855989054046 is an abundant number, since it is smaller than the sum of its proper divisors (1370974378914).

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

855989054046 is a wasteful number, since it uses less digits than its factorization.

855989054046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55232286 (or 55232280 counting only the distinct ones).

The product of its (nonzero) digits is 62208000, while the sum is 63.

The spelling of 855989054046 in words is "eight hundred fifty-five billion, nine hundred eighty-nine million, fifty-four thousand, forty-six".