3128734350 has 144 divisors (see below), whose sum is σ = 9962779008. Its totient is φ = 715119840.

The previous prime is 3128734291. The next prime is 3128734373. The reversal of 3128734350 is 534378213.

3128734350 is a `hidden beast` number, since 31 + 287 + 343 + 5 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 66657 + ... + 103443.

Almost surely, 2^3128734350 is an apocalyptic number.

3128734350 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3128734350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4981389504).

3128734350 is an abundant number, since it is smaller than the sum of its proper divisors (6834044658).

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

3128734350 is a wasteful number, since it uses less digits than its factorization.

3128734350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36821 (or 36804 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 3128734350 is about 55935.0905067651. The cubic root of 3128734350 is about 1462.5910002548.

The spelling of 3128734350 in words is "three billion, one hundred twenty-eight million, seven hundred thirty-four thousand, three hundred fifty".