2042537578 has 8 divisors (see below), whose sum is σ = 3080734020. Its totient is φ = 1015626240.

The previous prime is 2042537557. The next prime is 2042537587. The reversal of 2042537578 is 8757352402.

It can be written as a sum of positive squares in 2 ways, for example, as 1977847729 + 64689849 = 44473^2 + 8043^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2820823 + ... + 2821546.

Almost surely, 2^2042537578 is an apocalyptic number.

2042537578 is a deficient number, since it is larger than the sum of its proper divisors (1038196442).

2042537578 is a wasteful number, since it uses less digits than its factorization.

2042537578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5642552.

The product of its (nonzero) digits is 470400, while the sum is 43.

The square root of 2042537578 is about 45194.4418927815. The cubic root of 2042537578 is about 1268.7907927447.

The spelling of 2042537578 in words is "two billion, forty-two million, five hundred thirty-seven thousand, five hundred seventy-eight".