4002355155 has 32 divisors (see below), whose sum is σ = 6531860736. Its totient is φ = 2091982464.

The previous prime is 4002355141. The next prime is 4002355199. The reversal of 4002355155 is 5515532004.

It is a happy number.

It is not a de Polignac number, because 4002355155 - 2²⁵ = 3968800723 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 890544 + ... + 895026.

It is an arithmetic number, because the mean of its divisors is an integer number (204120648).

Almost surely, 2^4002355155 is an apocalyptic number.

4002355155 is a deficient number, since it is larger than the sum of its proper divisors (2529505581).

4002355155 is a wasteful number, since it uses less digits than its factorization.

4002355155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5667.

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 4002355155 is about 63264.1695985966. The cubic root of 4002355155 is about 1587.7125388033.

Adding to 4002355155 its reverse (5515532004), we get a palindrome (9517887159).

The spelling of 4002355155 in words is "four billion, two million, three hundred fifty-five thousand, one hundred fifty-five".