2542420004 has 12 divisors (see below), whose sum is σ = 4557753228. Its totient is φ = 1240204800.

The previous prime is 2542419991. The next prime is 2542420009. The reversal of 2542420004 is 4000242452.

It can be written as a sum of positive squares in 2 ways, for example, as 1313917504 + 1228502500 = 36248^2 + 35050^2 .

It is not an unprimeable number, because it can be changed into a prime (2542420009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7751117 + ... + 7751444.

It is an arithmetic number, because the mean of its divisors is an integer number (379812769).

Almost surely, 2^2542420004 is an apocalyptic number.

It is an amenable number.

2542420004 is a deficient number, since it is larger than the sum of its proper divisors (2015333224).

2542420004 is a wasteful number, since it uses less digits than its factorization.

2542420004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15502606 (or 15502604 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 2542420004 is about 50422.4156898497. The cubic root of 2542420004 is about 1364.8421691771.

Adding to 2542420004 its reverse (4000242452), we get a palindrome (6542662456).

The spelling of 2542420004 in words is "two billion, five hundred forty-two million, four hundred twenty thousand, four".