4087581042 has 16 divisors (see below), whose sum is σ = 8213909472. Its totient is φ = 1356069120.

The previous prime is 4087581019. The next prime is 4087581049. The reversal of 4087581042 is 2401857804.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (4087581049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1613103 + ... + 1615634.

It is an arithmetic number, because the mean of its divisors is an integer number (513369342).

Almost surely, 2^4087581042 is an apocalyptic number.

4087581042 is an abundant number, since it is smaller than the sum of its proper divisors (4126328430).

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

4087581042 is a wasteful number, since it uses less digits than its factorization.

4087581042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3228953.

The product of its (nonzero) digits is 71680, while the sum is 39.

The square root of 4087581042 is about 63934.1930581751. The cubic root of 4087581042 is about 1598.9030295922.

The spelling of 4087581042 in words is "four billion, eighty-seven million, five hundred eighty-one thousand, forty-two".