378803533500 has 768 divisors, whose sum is σ = 1454078545920. Its totient is φ = 83346278400.

The previous prime is 378803533489. The next prime is 378803533547. The reversal of 378803533500 is 5335308873.

It is a happy number.

378803533500 is a `hidden beast` number, since 3 + 7 + 8 + 80 + 35 + 33 + 500 = 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 255 ways as a sum of consecutive naturals, for example, 296634862 + ... + 296636138.

It is an arithmetic number, because the mean of its divisors is an integer number (1893331440).

Almost surely, 2^378803533500 is an apocalyptic number.

378803533500 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 378803533500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (727039272960).

378803533500 is an abundant number, since it is smaller than the sum of its proper divisors (1075275012420).

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

378803533500 is a wasteful number, since it uses less digits than its factorization.

378803533500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428 (or 1410 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The spelling of 378803533500 in words is "three hundred seventy-eight billion, eight hundred three million, five hundred thirty-three thousand, five hundred".