2540303400 has 48 divisors (see below), whose sum is σ = 7874942400. Its totient is φ = 677414080.

The previous prime is 2540303369. The next prime is 2540303407. The reversal of 2540303400 is 43030452.

It is a happy number.

2540303400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2540303407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2116320 + ... + 2117519.

It is an arithmetic number, because the mean of its divisors is an integer number (164061300).

Almost surely, 2^2540303400 is an apocalyptic number.

2540303400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2540303400 is an abundant number, since it is smaller than the sum of its proper divisors (5334639000).

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

2540303400 is a wasteful number, since it uses less digits than its factorization.

2540303400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4233858 (or 4233849 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 2540303400 is about 50401.4225989704. The cubic root of 2540303400 is about 1364.4633132805.

Adding to 2540303400 its reverse (43030452), we get a palindrome (2583333852).

The spelling of 2540303400 in words is "two billion, five hundred forty million, three hundred three thousand, four hundred".