2405260851 has 16 divisors (see below), whose sum is σ = 3671529984. Its totient is φ = 1372045824.

The previous prime is 2405260849. The next prime is 2405260877. The reversal of 2405260851 is 1580625042.

It is not a de Polignac number, because 2405260851 - 2¹ = 2405260849 is a prime.

It is a super-2 number, since 2×2405260851² = 11570559522706488402, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2405260801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87135 + ... + 111368.

It is an arithmetic number, because the mean of its divisors is an integer number (229470624).

Almost surely, 2^2405260851 is an apocalyptic number.

2405260851 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2405260851 is a deficient number, since it is larger than the sum of its proper divisors (1266269133).

2405260851 is a wasteful number, since it uses less digits than its factorization.

2405260851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199090.

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 2405260851 is about 49043.4587993139. The cubic root of 2405260851 is about 1339.8434604023.

Adding to 2405260851 its reverse (1580625042), we get a palindrome (3985885893).

The spelling of 2405260851 in words is "two billion, four hundred five million, two hundred sixty thousand, eight hundred fifty-one".