3129440958 has 72 divisors (see below), whose sum is σ = 8005343112. Its totient is φ = 880764192.

The previous prime is 3129440893. The next prime is 3129441001. The reversal of 3129440958 is 8590449213.

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 35 ways as a sum of consecutive naturals, for example, 32616 + ... + 85572.

It is an arithmetic number, because the mean of its divisors is an integer number (111185321).

Almost surely, 2^3129440958 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3129440958, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4002671556).

3129440958 is an abundant number, since it is smaller than the sum of its proper divisors (4875902154).

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

3129440958 is a wasteful number, since it uses less digits than its factorization.

3129440958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53046 (or 53036 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 3129440958 is about 55941.4064714144. The cubic root of 3129440958 is about 1462.7010980977.

The spelling of 3129440958 in words is "three billion, one hundred twenty-nine million, four hundred forty thousand, nine hundred fifty-eight".