8043494400 has 462 divisors, whose sum is σ = 29962872432. Its totient is φ = 2139955200.

The previous prime is 8043494383. The next prime is 8043494411. The reversal of 8043494400 is 44943408.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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 41 ways as a sum of consecutive naturals, for example, 18662185 + ... + 18662615.

Almost surely, 2^8043494400 is an apocalyptic number.

8043494400 is a gapful number since it is divisible by the number (80) 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 8043494400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14981436216).

8043494400 is an abundant number, since it is smaller than the sum of its proper divisors (21919378032).

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

8043494400 is an equidigital number, since it uses as much as digits as its factorization.

8043494400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479 (or 441 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 8043494400 is about 89685.5306055553. The cubic root of 8043494400 is about 2003.6179844809.

The spelling of 8043494400 in words is "eight billion, forty-three million, four hundred ninety-four thousand, four hundred".