6604074240 has 144 divisors (see below), whose sum is σ = 21290205888. Its totient is φ = 1744519168.

The previous prime is 6604074229. The next prime is 6604074251. The reversal of 6604074240 is 424704066.

It is an interprime number because it is at equal distance from previous prime (6604074229) and next prime (6604074251).

It is a super-2 number, since 2×6604074240² = 87227593134863155200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 402844 + ... + 418916.

It is an arithmetic number, because the mean of its divisors is an integer number (147848652).

Almost surely, 2^6604074240 is an apocalyptic number.

6604074240 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 6604074240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10645102944).

6604074240 is an abundant number, since it is smaller than the sum of its proper divisors (14686131648).

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

6604074240 is a wasteful number, since it uses less digits than its factorization.

6604074240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16204 (or 16190 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 33.

The square root of 6604074240 is about 81265.4553915746. The cubic root of 6604074240 is about 1876.1633541301.

The spelling of 6604074240 in words is "six billion, six hundred four million, seventy-four thousand, two hundred forty".