2042497636 has 27 divisors (see below), whose sum is σ = 3645498451. Its totient is φ = 1001318264.

The previous prime is 2042497631. The next prime is 2042497703. The reversal of 2042497636 is 6367942402.

The square root of 2042497636 is 45194.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2042497592 and 2042497601.

It is not an unprimeable number, because it can be changed into a prime (2042497631) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5332701 + ... + 5333083.

Almost surely, 2^2042497636 is an apocalyptic number.

2042497636 is the 45194-th square number.

It is an amenable number.

2042497636 is a deficient number, since it is larger than the sum of its proper divisors (1603000815).

2042497636 is an frugal number, since it uses more digits than its factorization.

2042497636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888 (or 444 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 43.

The cubic root of 2042497636 is about 1268.7825222527.

The spelling of 2042497636 in words is "two billion, forty-two million, four hundred ninety-seven thousand, six hundred thirty-six".