4129373056 has 64 divisors (see below), whose sum is σ = 8870878800. Its totient is φ = 1908264960.

The previous prime is 4129373041. The next prime is 4129373077. The reversal of 4129373056 is 6503739214.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

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, 79006 + ... + 120418.

Almost surely, 2^4129373056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4129373056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4435439400).

4129373056 is an abundant number, since it is smaller than the sum of its proper divisors (4741505744).

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

4129373056 is a wasteful number, since it uses less digits than its factorization.

4129373056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41487 (or 41475 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 4129373056 is about 64260.1980700340. The cubic root of 4129373056 is about 1604.3337012979. Note that the first 3 decimals are identical.

The spelling of 4129373056 in words is "four billion, one hundred twenty-nine million, three hundred seventy-three thousand, fifty-six".