2389975040 has 224 divisors, whose sum is σ = 6275344320. Its totient is φ = 870580224.

The previous prime is 2389975037. The next prime is 2389975061. The reversal of 2389975040 is 405799832.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28794839 + ... + 28794921.

It is an arithmetic number, because the mean of its divisors is an integer number (28014930).

Almost surely, 2^2389975040 is an apocalyptic number.

2389975040 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 2389975040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3137672160).

2389975040 is an abundant number, since it is smaller than the sum of its proper divisors (3885369280).

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

2389975040 is an equidigital number, since it uses as much as digits as its factorization.

2389975040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170 (or 146 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 47.

The square root of 2389975040 is about 48887.3709663344. The cubic root of 2389975040 is about 1336.9991211522. Note that the first 3 decimals are identical.

The spelling of 2389975040 in words is "two billion, three hundred eighty-nine million, nine hundred seventy-five thousand, forty".