2680424842 has 4 divisors (see below), whose sum is σ = 4020637266. Its totient is φ = 1340212420.

The previous prime is 2680424821. The next prime is 2680424861. The reversal of 2680424842 is 2484240862.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1434970161 + 1245454681 = 37881^2 + 35291^2 .

It is a super-2 number, since 2×2680424842² = 14369354667221449928, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2680424795 and 2680424804.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670106209 + ... + 670106212.

Almost surely, 2^2680424842 is an apocalyptic number.

2680424842 is a deficient number, since it is larger than the sum of its proper divisors (1340212424).

2680424842 is a wasteful number, since it uses less digits than its factorization.

2680424842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340212423.

The product of its (nonzero) digits is 196608, while the sum is 40.

The square root of 2680424842 is about 51772.8195291699. The cubic root of 2680424842 is about 1389.1033055202.

The spelling of 2680424842 in words is "two billion, six hundred eighty million, four hundred twenty-four thousand, eight hundred forty-two".