655464142033044 has 48 divisors (see below), whose sum is σ = 1543476930959040. Its totient is φ = 216479466259200.

The previous prime is 655464142033009. The next prime is 655464142033067. The reversal of 655464142033044 is 440330241464556.

It is a super-2 number, since 2×655464142033044² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64667712 + ... + 74113704.

It is an arithmetic number, because the mean of its divisors is an integer number (32155769394980).

Almost surely, 2^{655464142033044} is an apocalyptic number.

It is an amenable number.

655464142033044 is an abundant number, since it is smaller than the sum of its proper divisors (888012788925996).

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

655464142033044 is a wasteful number, since it uses less digits than its factorization.

655464142033044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9499160 (or 9499158 counting only the distinct ones).

The product of its (nonzero) digits is 16588800, while the sum is 51.

The spelling of 655464142033044 in words is "six hundred fifty-five trillion, four hundred sixty-four billion, one hundred forty-two million, thirty-three thousand, forty-four".