2543422090 has 32 divisors (see below), whose sum is σ = 5166581760. Its totient is φ = 892987200.

The previous prime is 2543422081. The next prime is 2543422121. The reversal of 2543422090 is 902243452.

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, 395466 + ... + 401845.

It is an arithmetic number, because the mean of its divisors is an integer number (161455680).

Almost surely, 2^2543422090 is an apocalyptic number.

2543422090 is an abundant number, since it is smaller than the sum of its proper divisors (2623159670).

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

2543422090 is a wasteful number, since it uses less digits than its factorization.

2543422090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797358.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 2543422090 is about 50432.3516207603. The cubic root of 2543422090 is about 1365.0214615544.

It can be divided in two parts, 25434 and 22090, that added together give a square (47524 = 218²).

The spelling of 2543422090 in words is "two billion, five hundred forty-three million, four hundred twenty-two thousand, ninety".