994388480 has 160 divisors (see below), whose sum is σ = 2567206224. Its totient is φ = 368050176.

The previous prime is 994388467. The next prime is 994388513. The reversal of 994388480 is 84883499.

It can be written as a sum of positive squares in 8 ways, for example, as 265820416 + 728568064 = 16304^2 + 26992^2 .

It is a tau number, because it is divible by the number of its divisors (160).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3176804 + ... + 3177116.

Almost surely, 2^994388480 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 994388480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1283603112).

994388480 is an abundant number, since it is smaller than the sum of its proper divisors (1572817744).

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

994388480 is a wasteful number, since it uses less digits than its factorization.

994388480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426 (or 410 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 53.

The square root of 994388480 is about 31533.9258577171. The cubic root of 994388480 is about 998.1259835896.

The spelling of 994388480 in words is "nine hundred ninety-four million, three hundred eighty-eight thousand, four hundred eighty".