606220440 has 128 divisors (see below), whose sum is σ = 2112721920. Its totient is φ = 136281600.

The previous prime is 606220411. The next prime is 606220577. The reversal of 606220440 is 44022606.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 606220440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45325 + ... + 57155.

It is an arithmetic number, because the mean of its divisors is an integer number (16505640).

Almost surely, 2^606220440 is an apocalyptic number.

606220440 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 606220440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1056360960).

606220440 is an abundant number, since it is smaller than the sum of its proper divisors (1506501480).

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

606220440 is a wasteful number, since it uses less digits than its factorization.

606220440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11913 (or 11909 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 606220440 is about 24621.5442245201. The cubic root of 606220440 is about 846.3373847843.

The spelling of 606220440 in words is "six hundred six million, two hundred twenty thousand, four hundred forty".