655140633048 has 384 divisors, whose sum is σ = 2071773849600. Its totient is φ = 185068800000.

The previous prime is 655140633023. The next prime is 655140633053. The reversal of 655140633048 is 840336041556.

655140633048 is a `hidden beast` number, since 6 + 5 + 5 + 1 + 4 + 0 + 633 + 0 + 4 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 655140632994 and 655140633012.

It is a congruent number.

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 95 ways as a sum of consecutive naturals, for example, 427916043 + ... + 427917573.

It is an arithmetic number, because the mean of its divisors is an integer number (5395244400).

Almost surely, 2^655140633048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 655140633048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1035886924800).

655140633048 is an abundant number, since it is smaller than the sum of its proper divisors (1416633216552).

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

655140633048 is a wasteful number, since it uses less digits than its factorization.

655140633048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2215 (or 2208 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 655140633048 in words is "six hundred fifty-five billion, one hundred forty million, six hundred thirty-three thousand, forty-eight".