239681363040 has 384 divisors, whose sum is σ = 963567360000. Its totient is φ = 54507644928.

The previous prime is 239681362979. The next prime is 239681363069. The reversal of 239681363040 is 40363186932.

239681363040 is a `hidden beast` number, since 2 + 3 + 9 + 6 + 8 + 1 + 3 + 630 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5997846 + ... + 6037674.

It is an arithmetic number, because the mean of its divisors is an integer number (2509290000).

Almost surely, 2^239681363040 is an apocalyptic number.

239681363040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 239681363040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (481783680000).

239681363040 is an abundant number, since it is smaller than the sum of its proper divisors (723885996960).

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

239681363040 is a wasteful number, since it uses less digits than its factorization.

239681363040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40059 (or 40045 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 45.

The spelling of 239681363040 in words is "two hundred thirty-nine billion, six hundred eighty-one million, three hundred sixty-three thousand, forty".