2400431140 has 24 divisors (see below), whose sum is σ = 5158137600. Its totient is φ = 937842528.

The previous prime is 2400431053. The next prime is 2400431147. The reversal of 2400431140 is 411340042.

It is not an unprimeable number, because it can be changed into a prime (2400431147) 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, 1394740 + ... + 1396459.

It is an arithmetic number, because the mean of its divisors is an integer number (214922400).

Almost surely, 2^2400431140 is an apocalyptic number.

2400431140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2400431140 is an abundant number, since it is smaller than the sum of its proper divisors (2757706460).

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

2400431140 is a wasteful number, since it uses less digits than its factorization.

2400431140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2791251 (or 2791249 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2400431140 is about 48994.1949622606. The cubic root of 2400431140 is about 1338.9460673980.

Adding to 2400431140 its reverse (411340042), we get a palindrome (2811771182).

The spelling of 2400431140 in words is "two billion, four hundred million, four hundred thirty-one thousand, one hundred forty".