2403426505 has 8 divisors (see below), whose sum is σ = 2887482312. Its totient is φ = 1920494208.

The previous prime is 2403426503. The next prime is 2403426511. The reversal of 2403426505 is 5056243042.

It can be written as a sum of positive squares in 4 ways, for example, as 954253881 + 1449172624 = 30891^2 + 38068^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2403426505 - 2¹ = 2403426503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2403426503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276162 + ... + 284731.

It is an arithmetic number, because the mean of its divisors is an integer number (360935289).

Almost surely, 2^2403426505 is an apocalyptic number.

It is an amenable number.

2403426505 is a deficient number, since it is larger than the sum of its proper divisors (484055807).

2403426505 is an equidigital number, since it uses as much as digits as its factorization.

2403426505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561755.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 2403426505 is about 49024.7540024425. The cubic root of 2403426505 is about 1339.5027681035.

Adding to 2403426505 its reverse (5056243042), we get a palindrome (7459669547).

The spelling of 2403426505 in words is "two billion, four hundred three million, four hundred twenty-six thousand, five hundred five".