4129990238 has 16 divisors (see below), whose sum is σ = 6868957680. Its totient is φ = 1846492800.

The previous prime is 4129990237. The next prime is 4129990247. The reversal of 4129990238 is 8320999214.

It is a super-3 number, since 3×4129990238³ (a number of 30 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4129990192 and 4129990201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4129990237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1537403 + ... + 1540086.

It is an arithmetic number, because the mean of its divisors is an integer number (429309855).

Almost surely, 2^4129990238 is an apocalyptic number.

4129990238 is a deficient number, since it is larger than the sum of its proper divisors (2738967442).

4129990238 is a wasteful number, since it uses less digits than its factorization.

4129990238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3077563.

The product of its (nonzero) digits is 279936, while the sum is 47.

The square root of 4129990238 is about 64265.0001011437. Note that the first 3 decimals coincide. The cubic root of 4129990238 is about 1604.4136259856.

The spelling of 4129990238 in words is "four billion, one hundred twenty-nine million, nine hundred ninety thousand, two hundred thirty-eight".