2577982042 has 8 divisors (see below), whose sum is σ = 3867188832. Its totient is φ = 1288919100.

The previous prime is 2577982039. The next prime is 2577982091. The reversal of 2577982042 is 2402897752.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2577981983 and 2577982001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48817 + ... + 86827.

It is an arithmetic number, because the mean of its divisors is an integer number (483398604).

Almost surely, 2^2577982042 is an apocalyptic number.

2577982042 is a deficient number, since it is larger than the sum of its proper divisors (1289206790).

2577982042 is a wasteful number, since it uses less digits than its factorization.

2577982042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71924.

The product of its (nonzero) digits is 564480, while the sum is 46.

The square root of 2577982042 is about 50773.8322563897. The cubic root of 2577982042 is about 1371.1762930910.

The spelling of 2577982042 in words is "two billion, five hundred seventy-seven million, nine hundred eighty-two thousand, forty-two".