655317501140 has 24 divisors (see below), whose sum is σ = 1392747078240. Its totient is φ = 258968843168.

The previous prime is 655317501133. The next prime is 655317501217. The reversal of 655317501140 is 41105713556.

It is a happy number.

655317501140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 655317501094 and 655317501103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197383130 + ... + 197386449.

It is an arithmetic number, because the mean of its divisors is an integer number (58031128260).

Almost surely, 2^655317501140 is an apocalyptic number.

It is an amenable number.

655317501140 is an abundant number, since it is smaller than the sum of its proper divisors (737429577100).

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

655317501140 is a wasteful number, since it uses less digits than its factorization.

655317501140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394769671 (or 394769669 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 38.

The spelling of 655317501140 in words is "six hundred fifty-five billion, three hundred seventeen million, five hundred one thousand, one hundred forty".