606045256240 has 80 divisors (see below), whose sum is σ = 1477928299392. Its totient is φ = 230847777792.

The previous prime is 606045256237. The next prime is 606045256241. The reversal of 606045256240 is 42652540606.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×606045256240² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 606045256193 and 606045256202.

It is not an unprimeable number, because it can be changed into a prime (606045256241) 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, 2039019 + ... + 2317258.

Almost surely, 2^606045256240 is an apocalyptic number.

It is an amenable number.

606045256240 is an abundant number, since it is smaller than the sum of its proper divisors (871883043152).

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

606045256240 is a wasteful number, since it uses less digits than its factorization.

606045256240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4356374 (or 4356368 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 40.

Adding to 606045256240 its reverse (42652540606), we get a palindrome (648697796846).

The spelling of 606045256240 in words is "six hundred six billion, forty-five million, two hundred fifty-six thousand, two hundred forty".