4625138418 has 16 divisors (see below), whose sum is σ = 9255474720. Its totient is φ = 1540846496.

The previous prime is 4625138407. The next prime is 4625138449. The reversal of 4625138418 is 8148315264.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 4625138418.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204963 + ... + 226406.

It is an arithmetic number, because the mean of its divisors is an integer number (578467170).

Almost surely, 2^4625138418 is an apocalyptic number.

4625138418 is an abundant number, since it is smaller than the sum of its proper divisors (4630336302).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4625138418 is a wasteful number, since it uses less digits than its factorization.

4625138418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433161.

The product of its digits is 184320, while the sum is 42.

The square root of 4625138418 is about 68008.3702054387. The cubic root of 4625138418 is about 1666.1275468998.

The spelling of 4625138418 in words is "four billion, six hundred twenty-five million, one hundred thirty-eight thousand, four hundred eighteen".