2680420838 has 32 divisors (see below), whose sum is σ = 4373066880. Its totient is φ = 1227197440.

The previous prime is 2680420823. The next prime is 2680420843. The reversal of 2680420838 is 8380240862.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2680420795 and 2680420804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 539795 + ... + 544737.

It is an arithmetic number, because the mean of its divisors is an integer number (136658340).

Almost surely, 2^2680420838 is an apocalyptic number.

2680420838 is a deficient number, since it is larger than the sum of its proper divisors (1692646042).

2680420838 is a wasteful number, since it uses less digits than its factorization.

2680420838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5392.

The product of its (nonzero) digits is 147456, while the sum is 41.

The square root of 2680420838 is about 51772.7808602165. The cubic root of 2680420838 is about 1389.1026138422.

The spelling of 2680420838 in words is "two billion, six hundred eighty million, four hundred twenty thousand, eight hundred thirty-eight".