4155628634 has 8 divisors (see below), whose sum is σ = 6255626868. Its totient is φ = 2070419680.

The previous prime is 4155628621. The next prime is 4155628637. The reversal of 4155628634 is 4368265514.

It can be written as a sum of positive squares in 2 ways, for example, as 3463675609 + 691953025 = 58853^2 + 26305^2 .

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

It is not an unprimeable number, because it can be changed into a prime (4155628637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3696617 + ... + 3697740.

Almost surely, 2^4155628634 is an apocalyptic number.

4155628634 is a deficient number, since it is larger than the sum of its proper divisors (2099998234).

4155628634 is a wasteful number, since it uses less digits than its factorization.

4155628634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7394640.

The product of its digits is 691200, while the sum is 44.

The square root of 4155628634 is about 64464.1655030142. The cubic root of 4155628634 is about 1607.7267706204.

The spelling of 4155628634 in words is "four billion, one hundred fifty-five million, six hundred twenty-eight thousand, six hundred thirty-four".