2043490242 has 64 divisors (see below), whose sum is σ = 4437244800. Its totient is φ = 625190400.

The previous prime is 2043490237. The next prime is 2043490243. The reversal of 2043490242 is 2420943402.

It is not an unprimeable number, because it can be changed into a prime (2043490243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1133742 + ... + 1135542.

It is an arithmetic number, because the mean of its divisors is an integer number (69331950).

Almost surely, 2^2043490242 is an apocalyptic number.

2043490242 is an abundant number, since it is smaller than the sum of its proper divisors (2393754558).

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

2043490242 is a wasteful number, since it uses less digits than its factorization.

2043490242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2131.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 2043490242 is about 45204.9802787259. The cubic root of 2043490242 is about 1268.9880218274.

The spelling of 2043490242 in words is "two billion, forty-three million, four hundred ninety thousand, two hundred forty-two".