85418600544 has 60 divisors (see below), whose sum is σ = 251213739084. Its totient is φ = 28472865984.

The previous prime is 85418600539. The next prime is 85418600557. The reversal of 85418600544 is 44500681458.

It is a happy number.

85418600544 is a `hidden beast` number, since 8 + 5 + 41 + 8 + 60 + 0 + 544 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 85418600544.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 16474762 + ... + 16479945.

Almost surely, 2^85418600544 is an apocalyptic number.

It is an amenable number.

85418600544 is an abundant number, since it is smaller than the sum of its proper divisors (165795138540).

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

85418600544 is a wasteful number, since it uses less digits than its factorization.

85418600544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32954729 (or 32954712 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 45.

The spelling of 85418600544 in words is "eighty-five billion, four hundred eighteen million, six hundred thousand, five hundred forty-four".