617352475380 has 48 divisors (see below), whose sum is σ = 1784347805184. Its totient is φ = 159316767360.

The previous prime is 617352475331. The next prime is 617352475387. The reversal of 617352475380 is 83574253716.

It is a super-2 number, since 2×617352475380² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (617352475387) 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, 165953107 + ... + 165956826.

It is an arithmetic number, because the mean of its divisors is an integer number (37173912608).

Almost surely, 2^617352475380 is an apocalyptic number.

617352475380 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

617352475380 is an abundant number, since it is smaller than the sum of its proper divisors (1166995329804).

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

617352475380 is a wasteful number, since it uses less digits than its factorization.

617352475380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331909976 (or 331909974 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 51.

The spelling of 617352475380 in words is "six hundred seventeen billion, three hundred fifty-two million, four hundred seventy-five thousand, three hundred eighty".