606662440 has 32 divisors (see below), whose sum is σ = 1374165000. Its totient is φ = 241033984.

The previous prime is 606662431. The next prime is 606662453. The reversal of 606662440 is 44266606.

It can be written as a sum of positive squares in 4 ways, for example, as 343509156 + 263153284 = 18534^2 + 16222^2 .

It is a super-2 number, since 2×606662440² = 736078632213507200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 606662396 and 606662405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44935 + ... + 56854.

Almost surely, 2^606662440 is an apocalyptic number.

It is an amenable number.

606662440 is an abundant number, since it is smaller than the sum of its proper divisors (767502560).

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

606662440 is a wasteful number, since it uses less digits than its factorization.

606662440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101949 (or 101945 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 606662440 is about 24630.5184679495. The cubic root of 606662440 is about 846.5430251868.

The spelling of 606662440 in words is "six hundred six million, six hundred sixty-two thousand, four hundred forty".