609445140348 has 48 divisors (see below), whose sum is σ = 1551373439616. Its totient is φ = 184673376960.

The previous prime is 609445140347. The next prime is 609445140373. The reversal of 609445140348 is 843041544906.

It is a happy number.

It is a super-2 number, since 2×609445140348² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 609445140297 and 609445140306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609445140347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4232790 + ... + 4374402.

It is an arithmetic number, because the mean of its divisors is an integer number (32320279992).

Almost surely, 2^609445140348 is an apocalyptic number.

It is an amenable number.

609445140348 is an abundant number, since it is smaller than the sum of its proper divisors (941928299268).

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

609445140348 is a wasteful number, since it uses less digits than its factorization.

609445140348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174234 (or 174232 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 48.

The spelling of 609445140348 in words is "six hundred nine billion, four hundred forty-five million, one hundred forty thousand, three hundred forty-eight".