4487994400 has 36 divisors (see below), whose sum is σ = 10956318282. Its totient is φ = 1795197440.

The previous prime is 4487994377. The next prime is 4487994431. The reversal of 4487994400 is 44997844.

It can be written as a sum of positive squares in 3 ways, for example, as 3321908496 + 1166085904 = 57636^2 + 34148^2 .

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 5 ways as a sum of consecutive naturals, for example, 2804197 + ... + 2805796.

Almost surely, 2^4487994400 is an apocalyptic number.

4487994400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4487994400 is an abundant number, since it is smaller than the sum of its proper divisors (6468323882).

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

4487994400 is a wasteful number, since it uses less digits than its factorization.

4487994400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5610013 (or 5610000 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 49.

The square root of 4487994400 is about 66992.4951020635. The cubic root of 4487994400 is about 1649.4941087598.

The spelling of 4487994400 in words is "four billion, four hundred eighty-seven million, nine hundred ninety-four thousand, four hundred".