663330423240240 has 160 divisors (see below), whose sum is σ = 2473773608593920. Its totient is φ = 143638467581952.

The previous prime is 663330423240229. The next prime is 663330423240269. The reversal of 663330423240240 is 42042324033366.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 663330423240192 and 663330423240201.

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, 10390482229 + ... + 10390546068.

It is an arithmetic number, because the mean of its divisors is an integer number (15461085053712).

Almost surely, 2^{663330423240240} is an apocalyptic number.

663330423240240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

663330423240240 is an abundant number, since it is smaller than the sum of its proper divisors (1810443185353680).

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

663330423240240 is a wasteful number, since it uses less digits than its factorization.

663330423240240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20781028339 (or 20781028333 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 42.

The spelling of 663330423240240 in words is "six hundred sixty-three trillion, three hundred thirty billion, four hundred twenty-three million, two hundred forty thousand, two hundred forty".