2576736242 has 4 divisors (see below), whose sum is σ = 3865104366. Its totient is φ = 1288368120.

The previous prime is 2576736241. The next prime is 2576736251. The reversal of 2576736242 is 2426376752.

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., 2576679121 + 57121 = 50761^2 + 239^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2576736193 and 2576736202.

It is not an unprimeable number, because it can be changed into a prime (2576736241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 644184059 + ... + 644184062.

Almost surely, 2^2576736242 is an apocalyptic number.

2576736242 is a deficient number, since it is larger than the sum of its proper divisors (1288368124).

2576736242 is a wasteful number, since it uses less digits than its factorization.

2576736242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288368123.

The product of its digits is 846720, while the sum is 44.

The square root of 2576736242 is about 50761.5626434017. The cubic root of 2576736242 is about 1370.9553855964.

The spelling of 2576736242 in words is "two billion, five hundred seventy-six million, seven hundred thirty-six thousand, two hundred forty-two".