617540447152 has 20 divisors (see below), whose sum is σ = 1266866064936. Its totient is φ = 290607269120.

The previous prime is 617540447137. The next prime is 617540447159. The reversal of 617540447152 is 251744045716.

617540447152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×617540447152² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (617540447159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1135184374 + ... + 1135184917.

Almost surely, 2^617540447152 is an apocalyptic number.

It is an amenable number.

617540447152 is an abundant number, since it is smaller than the sum of its proper divisors (649325617784).

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

617540447152 is a wasteful number, since it uses less digits than its factorization.

617540447152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2270369316 (or 2270369310 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 46.

The spelling of 617540447152 in words is "six hundred seventeen billion, five hundred forty million, four hundred forty-seven thousand, one hundred fifty-two".