378581399239680 has 1584 divisors, whose sum is σ = 1675736780949504. Its totient is φ = 77299508183040.

The previous prime is 378581399239643. The next prime is 378581399239847. The reversal of 378581399239680 is 86932993185873.

378581399239680 is a `hidden beast` number, since 3 + 7 + 8 + 5 + 8 + 139 + 92 + 396 + 8 + 0 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 378581399239680.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1689779827 + ... + 1690003853.

Almost surely, 2^{378581399239680} is an apocalyptic number.

378581399239680 is a gapful number since it is divisible by the number (30) 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 378581399239680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (837868390474752).

378581399239680 is an abundant number, since it is smaller than the sum of its proper divisors (1297155381709824).

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

378581399239680 is a wasteful number, since it uses less digits than its factorization.

378581399239680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224122 (or 224088 counting only the distinct ones).

The product of its (nonzero) digits is 4232632320, while the sum is 81.

The spelling of 378581399239680 in words is "three hundred seventy-eight trillion, five hundred eighty-one billion, three hundred ninety-nine million, two hundred thirty-nine thousand, six hundred eighty".