378824455620 has 144 divisors (see below), whose sum is σ = 1242061696512. Its totient is φ = 92904848640.

The previous prime is 378824455609. The next prime is 378824455663. The reversal of 378824455620 is 26554428873.

378824455620 is a `hidden beast` number, since 3 + 7 + 8 + 8 + 2 + 4 + 4 + 5 + 5 + 620 = 666.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 335449 + ... + 932831.

It is an arithmetic number, because the mean of its divisors is an integer number (8625428448).

Almost surely, 2^378824455620 is an apocalyptic number.

378824455620 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 378824455620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (621030848256).

378824455620 is an abundant number, since it is smaller than the sum of its proper divisors (863237240892).

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

378824455620 is a wasteful number, since it uses less digits than its factorization.

378824455620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597682 (or 597677 counting only the distinct ones).

The product of its (nonzero) digits is 12902400, while the sum is 54.

The spelling of 378824455620 in words is "three hundred seventy-eight billion, eight hundred twenty-four million, four hundred fifty-five thousand, six hundred twenty".