2042400242 has 8 divisors (see below), whose sum is σ = 3078120432. Its totient is φ = 1016360100.

The previous prime is 2042400233. The next prime is 2042400257. The reversal of 2042400242 is 2420042402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2419484 + ... + 2420327.

It is an arithmetic number, because the mean of its divisors is an integer number (384765054).

Almost surely, 2^2042400242 is an apocalyptic number.

2042400242 is a deficient number, since it is larger than the sum of its proper divisors (1035720190).

2042400242 is a wasteful number, since it uses less digits than its factorization.

2042400242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4840024.

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 2042400242 is about 45192.9224768658. The cubic root of 2042400242 is about 1268.7623551516.

Adding to 2042400242 its reverse (2420042402), we get a palindrome (4462442644).

The spelling of 2042400242 in words is "two billion, forty-two million, four hundred thousand, two hundred forty-two".