4080987442 has 12 divisors (see below), whose sum is σ = 7120906830. Its totient is φ = 1748994576.

The previous prime is 4080987431. The next prime is 4080987499. The reversal of 4080987442 is 2447890804.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2405804401 + 1675183041 = 49049^2 + 40929^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4080987392 and 4080987401.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20821267 + ... + 20821462.

Almost surely, 2^4080987442 is an apocalyptic number.

4080987442 is a deficient number, since it is larger than the sum of its proper divisors (3039919388).

4080987442 is a wasteful number, since it uses less digits than its factorization.

4080987442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41642745 (or 41642738 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 46.

The square root of 4080987442 is about 63882.6067251486. The cubic root of 4080987442 is about 1598.0428467895.

The spelling of 4080987442 in words is "four billion, eighty million, nine hundred eighty-seven thousand, four hundred forty-two".