6604651240 has 32 divisors (see below), whose sum is σ = 16211417760. Its totient is φ = 2401691200.

The previous prime is 6604651201. The next prime is 6604651241. The reversal of 6604651240 is 421564066.

It is a junction number, because it is equal to n+sod(n) for n = 6604651196 and 6604651205.

It is not an unprimeable number, because it can be changed into a prime (6604651241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7504846 + ... + 7505725.

It is an arithmetic number, because the mean of its divisors is an integer number (506606805).

Almost surely, 2^6604651240 is an apocalyptic number.

It is an amenable number.

6604651240 is an abundant number, since it is smaller than the sum of its proper divisors (9606766520).

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

6604651240 is a wasteful number, since it uses less digits than its factorization.

6604651240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15010593 (or 15010589 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 6604651240 is about 81269.0054079660. The cubic root of 6604651240 is about 1876.2179928622.

The spelling of 6604651240 in words is "six billion, six hundred four million, six hundred fifty-one thousand, two hundred forty".