2042540236 has 24 divisors (see below), whose sum is σ = 3905349840. Its totient is φ = 927009600.

The previous prime is 2042540221. The next prime is 2042540263. The reversal of 2042540236 is 6320452402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6031 + ... + 64198.

It is an arithmetic number, because the mean of its divisors is an integer number (162722910).

Almost surely, 2^2042540236 is an apocalyptic number.

It is an amenable number.

2042540236 is a deficient number, since it is larger than the sum of its proper divisors (1862809604).

2042540236 is a wasteful number, since it uses less digits than its factorization.

2042540236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70905 (or 70903 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 2042540236 is about 45194.4712990428. The cubic root of 2042540236 is about 1268.7913431131.

Adding to 2042540236 its reverse (6320452402), we get a palindrome (8362992638).

The spelling of 2042540236 in words is "two billion, forty-two million, five hundred forty thousand, two hundred thirty-six".