2400440002 has 4 divisors (see below), whose sum is σ = 3600660006. Its totient is φ = 1200220000.

The previous prime is 2400439991. The next prime is 2400440027. The reversal of 2400440002 is 2000440042.

2400440002 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 only one way, i.e., 1900872801 + 499567201 = 43599^2 + 22351^2 .

It is a super-2 number, since 2×2400440002² = 11524224406403520008, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600109999 + ... + 600110002.

Almost surely, 2^2400440002 is an apocalyptic number.

2400440002 is a deficient number, since it is larger than the sum of its proper divisors (1200220004).

2400440002 is a wasteful number, since it uses less digits than its factorization.

2400440002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200220003.

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 2400440002 is about 48994.2854014629. The cubic root of 2400440002 is about 1338.9477151194.

Adding to 2400440002 its reverse (2000440042), we get a palindrome (4400880044).

The spelling of 2400440002 in words is "two billion, four hundred million, four hundred forty thousand, two".