4054040402 has 4 divisors (see below), whose sum is σ = 6081060606. Its totient is φ = 2027020200.

The previous prime is 4054040401. The next prime is 4054040411. The reversal of 4054040402 is 2040404504.

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., 3767381641 + 286658761 = 61379^2 + 16931^2 .

It is not an unprimeable number, because it can be changed into a prime (4054040401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1013510099 + ... + 1013510102.

Almost surely, 2^4054040402 is an apocalyptic number.

4054040402 is a deficient number, since it is larger than the sum of its proper divisors (2027020204).

4054040402 is a wasteful number, since it uses less digits than its factorization.

4054040402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2027020203.

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 4054040402 is about 63671.3467895882. The cubic root of 4054040402 is about 1594.5177477000.

Adding to 4054040402 its reverse (2040404504), we get a palindrome (6094444906).

The spelling of 4054040402 in words is "four billion, fifty-four million, forty thousand, four hundred two".