2402240402 has 4 divisors (see below), whose sum is σ = 3603360606. Its totient is φ = 1201120200.

The previous prime is 2402240383. The next prime is 2402240411. The reversal of 2402240402 is 2040422042.

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

It can be written as a sum of positive squares in only one way, i.e., 1409927401 + 992313001 = 37549^2 + 31501^2 .

It is a super-2 number, since 2×2402240402² = 11541517898002243208, which contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 600560099 + ... + 600560102.

Almost surely, 2^2402240402 is an apocalyptic number.

2402240402 is a deficient number, since it is larger than the sum of its proper divisors (1201120204).

2402240402 is a wasteful number, since it uses less digits than its factorization.

2402240402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201120203.

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 2402240402 is about 49012.6555289550. The cubic root of 2402240402 is about 1339.2823814072.

Adding to 2402240402 its reverse (2040422042), we get a palindrome (4442662444).

The spelling of 2402240402 in words is "two billion, four hundred two million, two hundred forty thousand, four hundred two".