2400001402 has 4 divisors (see below), whose sum is σ = 3600002106. Its totient is φ = 1200000700.

The previous prime is 2400001393. The next prime is 2400001403. The reversal of 2400001402 is 2041000042.

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., 2399138361 + 863041 = 48981^2 + 929^2 .

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2400001403) by changing a digit.

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, 600000349 + ... + 600000352.

Almost surely, 2^2400001402 is an apocalyptic number.

2400001402 is a deficient number, since it is larger than the sum of its proper divisors (1200000704).

2400001402 is a wasteful number, since it uses less digits than its factorization.

2400001402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1200000703.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 2400001402 is about 48989.8091647641. The cubic root of 2400001402 is about 1338.8661608712.

Adding to 2400001402 its reverse (2041000042), we get a palindrome (4441001444).

The spelling of 2400001402 in words is "two billion, four hundred million, one thousand, four hundred two".