4004631155 has 8 divisors (see below), whose sum is σ = 5492065632. Its totient is φ = 2746032768.

The previous prime is 4004631149. The next prime is 4004631173. The reversal of 4004631155 is 5511364004.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4004631155 - 2⁶ = 4004631091 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 57208982 + ... + 57209051.

It is an arithmetic number, because the mean of its divisors is an integer number (686508204).

Almost surely, 2^4004631155 is an apocalyptic number.

4004631155 is a deficient number, since it is larger than the sum of its proper divisors (1487434477).

4004631155 is a wasteful number, since it uses less digits than its factorization.

4004631155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114418045.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 4004631155 is about 63282.1551071074. The cubic root of 4004631155 is about 1588.0134407166.

Adding to 4004631155 its reverse (5511364004), we get a palindrome (9515995159).

The spelling of 4004631155 in words is "four billion, four million, six hundred thirty-one thousand, one hundred fifty-five".