617045809632 has 96 divisors (see below), whose sum is σ = 1861837996032. Its totient is φ = 175279701504.

The previous prime is 617045809577. The next prime is 617045809637. The reversal of 617045809632 is 236908540716.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (617045809637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2537568 + ... + 2770079.

It is an arithmetic number, because the mean of its divisors is an integer number (19394145792).

It is a 1-persistent number, because it is pandigital, but 2⋅617045809632 = 1234091619264 is not.

Almost surely, 2^617045809632 is an apocalyptic number.

It is an amenable number.

617045809632 is an abundant number, since it is smaller than the sum of its proper divisors (1244792186400).

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

617045809632 is a wasteful number, since it uses less digits than its factorization.

617045809632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5307840 (or 5307832 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 617045809632 in words is "six hundred seventeen billion, forty-five million, eight hundred nine thousand, six hundred thirty-two".