2400032140 has 24 divisors (see below), whose sum is σ = 5498255952. Its totient is φ = 872738880.

The previous prime is 2400032123. The next prime is 2400032147. The reversal of 2400032140 is 412300042.

It is not an unprimeable number, because it can be changed into a prime (2400032147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5454399 + ... + 5454838.

It is an arithmetic number, because the mean of its divisors is an integer number (229093998).

Almost surely, 2^2400032140 is an apocalyptic number.

2400032140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2400032140 is an abundant number, since it is smaller than the sum of its proper divisors (3098223812).

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

2400032140 is a wasteful number, since it uses less digits than its factorization.

2400032140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10909257 (or 10909255 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2400032140 is about 48990.1228820667. The cubic root of 2400032140 is about 1338.8718766863.

Adding to 2400032140 its reverse (412300042), we get a palindrome (2812332182).

The spelling of 2400032140 in words is "two billion, four hundred million, thirty-two thousand, one hundred forty".