2642246426 has 16 divisors (see below), whose sum is σ = 3986458440. Its totient is φ = 1313444160.

The previous prime is 2642246407. The next prime is 2642246443. The reversal of 2642246426 is 6246422462.

It can be written as a sum of positive squares in 4 ways, for example, as 2585620801 + 56625625 = 50849^2 + 7525^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2642246426.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342896 + ... + 350516.

Almost surely, 2^2642246426 is an apocalyptic number.

2642246426 is a deficient number, since it is larger than the sum of its proper divisors (1344212014).

2642246426 is a wasteful number, since it uses less digits than its factorization.

2642246426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8609.

The product of its digits is 221184, while the sum is 38.

The square root of 2642246426 is about 51402.7861696231. The cubic root of 2642246426 is about 1382.4765488644.

Adding to 2642246426 its reverse (6246422462), we get a palindrome (8888668888).

The spelling of 2642246426 in words is "two billion, six hundred forty-two million, two hundred forty-six thousand, four hundred twenty-six".