239327793640 has 64 divisors (see below), whose sum is σ = 580091702400. Its totient is φ = 88339444992.

The previous prime is 239327793599. The next prime is 239327793641. The reversal of 239327793640 is 46397723932.

239327793640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×239327793640³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (239327793641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1624069 + ... + 1765291.

It is an arithmetic number, because the mean of its divisors is an integer number (9063932850).

Almost surely, 2^239327793640 is an apocalyptic number.

239327793640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

239327793640 is an abundant number, since it is smaller than the sum of its proper divisors (340763908760).

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

239327793640 is a wasteful number, since it uses less digits than its factorization.

239327793640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144506 (or 144502 counting only the distinct ones).

The product of its (nonzero) digits is 10287648, while the sum is 55.

The spelling of 239327793640 in words is "two hundred thirty-nine billion, three hundred twenty-seven million, seven hundred ninety-three thousand, six hundred forty".