489240400 has 60 divisors (see below), whose sum is σ = 1282266144. Its totient is φ = 177904000.

The previous prime is 489240391. The next prime is 489240431. The reversal of 489240400 is 4042984.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51196 + ... + 59995.

Almost surely, 2^489240400 is an apocalyptic number.

489240400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

489240400 is an abundant number, since it is smaller than the sum of its proper divisors (793025744).

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

489240400 is a wasteful number, since it uses less digits than its factorization.

489240400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111220 (or 111209 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 489240400 is about 22118.7793514923. The cubic root of 489240400 is about 787.9659256741.

The spelling of 489240400 in words is "four hundred eighty-nine million, two hundred forty thousand, four hundred".