2402140505 has 4 divisors (see below), whose sum is σ = 2882568612. Its totient is φ = 1921712400.

The previous prime is 2402140501. The next prime is 2402140523. The reversal of 2402140505 is 5050412042.

It is a happy number.

2402140505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1852097296 + 550043209 = 43036^2 + 23453^2 .

It is not a de Polignac number, because 2402140505 - 2² = 2402140501 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2402140501) 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, 240214046 + ... + 240214055.

It is an arithmetic number, because the mean of its divisors is an integer number (720642153).

Almost surely, 2^2402140505 is an apocalyptic number.

It is an amenable number.

2402140505 is a deficient number, since it is larger than the sum of its proper divisors (480428107).

2402140505 is an equidigital number, since it uses as much as digits as its factorization.

2402140505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480428106.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 2402140505 is about 49011.6364244248. The cubic root of 2402140505 is about 1339.2638164950.

Adding to 2402140505 its reverse (5050412042), we get a palindrome (7452552547).

The spelling of 2402140505 in words is "two billion, four hundred two million, one hundred forty thousand, five hundred five".