4013861958 has 64 divisors (see below), whose sum is σ = 9220147200. Its totient is φ = 1293006240.

The previous prime is 4013861947. The next prime is 4013862007. The reversal of 4013861958 is 8591683104.

It is a super-2 number, since 2×4013861958² = 32222175635759187528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1788385 + ... + 1790627.

It is an arithmetic number, because the mean of its divisors is an integer number (144064800).

Almost surely, 2^4013861958 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4013861958, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4610073600).

4013861958 is an abundant number, since it is smaller than the sum of its proper divisors (5206285242).

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

4013861958 is a wasteful number, since it uses less digits than its factorization.

4013861958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3354 (or 3348 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 4013861958 is about 63355.0468234378. The cubic root of 4013861958 is about 1589.2326450319.

The spelling of 4013861958 in words is "four billion, thirteen million, eight hundred sixty-one thousand, nine hundred fifty-eight".