2940243400 has 24 divisors (see below), whose sum is σ = 6836066370. Its totient is φ = 1176097280.

The previous prime is 2940243359. The next prime is 2940243403. The reversal of 2940243400 is 43420492.

It can be written as a sum of positive squares in 3 ways, for example, as 1761145156 + 1179098244 = 41966^2 + 34338^2 .

It is not an unprimeable number, because it can be changed into a prime (2940243403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7350409 + ... + 7350808.

Almost surely, 2^2940243400 is an apocalyptic number.

2940243400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2940243400 is an abundant number, since it is smaller than the sum of its proper divisors (3895822970).

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

2940243400 is a wasteful number, since it uses less digits than its factorization.

2940243400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14701233 (or 14701224 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 2940243400 is about 54224.0112865140. The cubic root of 2940243400 is about 1432.6092839680.

Adding to 2940243400 its reverse (43420492), we get a palindrome (2983663892).

The spelling of 2940243400 in words is "two billion, nine hundred forty million, two hundred forty-three thousand, four hundred".