2402005305 has 32 divisors (see below), whose sum is σ = 4395193344. Its totient is φ = 1097320896.

The previous prime is 2402005303. The next prime is 2402005337. The reversal of 2402005305 is 5035002042.

It is not a de Polignac number, because 2402005305 - 2¹ = 2402005303 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (2402005303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 168174 + ... + 181896.

It is an arithmetic number, because the mean of its divisors is an integer number (137349792).

Almost surely, 2^2402005305 is an apocalyptic number.

It is an amenable number.

2402005305 is a deficient number, since it is larger than the sum of its proper divisors (1993188039).

2402005305 is a wasteful number, since it uses less digits than its factorization.

2402005305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15405.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 2402005305 is about 49010.2571407251. The cubic root of 2402005305 is about 1339.2386900345.

Adding to 2402005305 its reverse (5035002042), we get a palindrome (7437007347).

The spelling of 2402005305 in words is "two billion, four hundred two million, five thousand, three hundred five".