2402540033 has 4 divisors (see below), whose sum is σ = 2402854740. Its totient is φ = 2402225328.

The previous prime is 2402539963. The next prime is 2402540051. The reversal of 2402540033 is 3300452042.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1323286129 + 1079253904 = 36377^2 + 32852^2 .

It is a cyclic number.

It is not a de Polignac number, because 2402540033 - 2¹² = 2402535937 is a prime.

It is a super-2 number, since 2×2402540033² = 11544397220335282178, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2402539990 and 2402540008.

It is not an unprimeable number, because it can be changed into a prime (2402540053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145610 + ... + 161267.

It is an arithmetic number, because the mean of its divisors is an integer number (600713685).

Almost surely, 2^2402540033 is an apocalyptic number.

It is an amenable number.

2402540033 is a deficient number, since it is larger than the sum of its proper divisors (314707).

2402540033 is an equidigital number, since it uses as much as digits as its factorization.

2402540033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314706.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 2402540033 is about 49015.7121033654. The cubic root of 2402540033 is about 1339.3380619066.

Adding to 2402540033 its reverse (3300452042), we get a palindrome (5702992075).

The spelling of 2402540033 in words is "two billion, four hundred two million, five hundred forty thousand, thirty-three".