2072980638 has 24 divisors (see below), whose sum is σ = 4499457768. Its totient is φ = 689762832.

The previous prime is 2072980627. The next prime is 2072980643. The reversal of 2072980638 is 8360892702.

2072980638 is a `hidden beast` number, since 2 + 0 + 7 + 2 + 9 + 8 + 0 + 638 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2072980593 and 2072980602.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92145 + ... + 112412.

It is an arithmetic number, because the mean of its divisors is an integer number (187477407).

Almost surely, 2^2072980638 is an apocalyptic number.

2072980638 is an abundant number, since it is smaller than the sum of its proper divisors (2426477130).

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

2072980638 is a wasteful number, since it uses less digits than its factorization.

2072980638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205128 (or 205125 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 2072980638 is about 45529.9971227761. The cubic root of 2072980638 is about 1275.0633085058.

The spelling of 2072980638 in words is "two billion, seventy-two million, nine hundred eighty thousand, six hundred thirty-eight".