2808932242 has 4 divisors (see below), whose sum is σ = 4213398366. Its totient is φ = 1404466120.

The previous prime is 2808932237. The next prime is 2808932249. The reversal of 2808932242 is 2422398082.

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., 2801690761 + 7241481 = 52931^2 + 2691^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2808932195 and 2808932204.

It is not an unprimeable number, because it can be changed into a prime (2808932249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 702233059 + ... + 702233062.

Almost surely, 2^2808932242 is an apocalyptic number.

2808932242 is a deficient number, since it is larger than the sum of its proper divisors (1404466124).

2808932242 is a wasteful number, since it uses less digits than its factorization.

2808932242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1404466123.

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 2808932242 is about 52999.3607697300. The cubic root of 2808932242 is about 1410.9569216366.

The spelling of 2808932242 in words is "two billion, eight hundred eight million, nine hundred thirty-two thousand, two hundred forty-two".