2540442202 has 8 divisors (see below), whose sum is σ = 3811403412. Its totient is φ = 1269974400.

The previous prime is 2540442169. The next prime is 2540442211. The reversal of 2540442202 is 2022440452.

It can be written as a sum of positive squares in 2 ways, for example, as 2406785481 + 133656721 = 49059^2 + 11561^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110199 + ... + 131242.

Almost surely, 2^2540442202 is an apocalyptic number.

2540442202 is a deficient number, since it is larger than the sum of its proper divisors (1270961210).

2540442202 is a wasteful number, since it uses less digits than its factorization.

2540442202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246704.

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 2540442202 is about 50402.7995452634. The cubic root of 2540442202 is about 1364.4881642212.

Adding to 2540442202 its reverse (2022440452), we get a palindrome (4562882654).

The spelling of 2540442202 in words is "two billion, five hundred forty million, four hundred forty-two thousand, two hundred two".