2489432400 has 960 divisors, whose sum is σ = 11624256000. Its totient is φ = 491028480.

The previous prime is 2489432377. The next prime is 2489432453. The reversal of 2489432400 is 42349842.

2489432400 is a `hidden beast` number, since 248 + 9 + 4 + 3 + 2 + 400 = 666.

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 (13) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 16707526 + ... + 16707674.

It is an arithmetic number, because the mean of its divisors is an integer number (12108600).

Almost surely, 2^2489432400 is an apocalyptic number.

2489432400 is a gapful number since it is divisible by the number (20) 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 2489432400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5812128000).

2489432400 is an abundant number, since it is smaller than the sum of its proper divisors (9134823600).

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

2489432400 is a wasteful number, since it uses less digits than its factorization.

2489432400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213 (or 196 counting only the distinct ones).

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

The square root of 2489432400 is about 49894.2120891792. The cubic root of 2489432400 is about 1355.2937821531.

The spelling of 2489432400 in words is "two billion, four hundred eighty-nine million, four hundred thirty-two thousand, four hundred".