6662355240 has 64 divisors (see below), whose sum is σ = 20051035200. Its totient is φ = 1770941952.

The previous prime is 6662355239. The next prime is 6662355247. The reversal of 6662355240 is 425532666.

It is not an unprimeable number, because it can be changed into a prime (6662355247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51130 + ... + 126249.

It is an arithmetic number, because the mean of its divisors is an integer number (313297425).

Almost surely, 2^6662355240 is an apocalyptic number.

6662355240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6662355240 is an abundant number, since it is smaller than the sum of its proper divisors (13388679960).

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

6662355240 is a wasteful number, since it uses less digits than its factorization.

6662355240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177706 (or 177702 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 39.

The square root of 6662355240 is about 81623.2518342660. The cubic root of 6662355240 is about 1881.6662494859. Note that the first 3 decimals are identical.

The spelling of 6662355240 in words is "six billion, six hundred sixty-two million, three hundred fifty-five thousand, two hundred forty".