6612337440 has 144 divisors (see below), whose sum is σ = 23752310400. Its totient is φ = 1670478336.

The previous prime is 6612337397. The next prime is 6612337463. The reversal of 6612337440 is 447332166.

It is a happy number.

6612337440 is a `hidden beast` number, since 6 + 612 + 3 + 37 + 4 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-3 number, since 3×6612337440³ (a number of 30 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 6612337395 and 6612337404.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93480 + ... + 148199.

It is an arithmetic number, because the mean of its divisors is an integer number (164946600).

Almost surely, 2^6612337440 is an apocalyptic number.

6612337440 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6612337440 is an abundant number, since it is smaller than the sum of its proper divisors (17139972960).

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

6612337440 is a wasteful number, since it uses less digits than its factorization.

6612337440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241719 (or 241708 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The square root of 6612337440 is about 81316.2802887589. The cubic root of 6612337440 is about 1876.9455304545.

The spelling of 6612337440 in words is "six billion, six hundred twelve million, three hundred thirty-seven thousand, four hundred forty".