2442815890 has 16 divisors (see below), whose sum is σ = 4398691032. Its totient is φ = 976765824.

The previous prime is 2442815849. The next prime is 2442815897. The reversal of 2442815890 is 985182442.

It can be written as a sum of positive squares in 4 ways, for example, as 1876709041 + 566106849 = 43321^2 + 23793^2 .

It is not an unprimeable number, because it can be changed into a prime (2442815897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15699 + ... + 71638.

Almost surely, 2^2442815890 is an apocalyptic number.

2442815890 is a deficient number, since it is larger than the sum of its proper divisors (1955875142).

2442815890 is a wasteful number, since it uses less digits than its factorization.

2442815890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90141.

The product of its (nonzero) digits is 184320, while the sum is 43.

The square root of 2442815890 is about 49424.8509355365. The cubic root of 2442815890 is about 1346.7807868058.

The spelling of 2442815890 in words is "two billion, four hundred forty-two million, eight hundred fifteen thousand, eight hundred ninety".