4058956638 has 96 divisors (see below), whose sum is σ = 10022538240. Its totient is φ = 1175872320.

The previous prime is 4058956541. The next prime is 4058956651. The reversal of 4058956638 is 8366598504.

It is a happy number.

4058956638 is a `hidden beast` number, since 4 + 0 + 589 + 56 + 6 + 3 + 8 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 587995 + ... + 594857.

It is an arithmetic number, because the mean of its divisors is an integer number (104401440).

Almost surely, 2^4058956638 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4058956638, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5011269120).

4058956638 is an abundant number, since it is smaller than the sum of its proper divisors (5963581602).

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

4058956638 is a wasteful number, since it uses less digits than its factorization.

4058956638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7014 (or 7011 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 54.

The square root of 4058956638 is about 63709.9414377380. The cubic root of 4058956638 is about 1595.1620316060.

The spelling of 4058956638 in words is "four billion, fifty-eight million, nine hundred fifty-six thousand, six hundred thirty-eight".