3347128861740 has 120 divisors (see below), whose sum is σ = 10506529117392. Its totient is φ = 892018396800.

The previous prime is 3347128861723. The next prime is 3347128861801. The reversal of 3347128861740 is 471688217433.

3347128861740 is a `hidden beast` number, since 3 + 3 + 4 + 7 + 12 + 8 + 8 + 617 + 4 + 0 = 666.

It is a super-2 number, since 2×3347128861740² (a number of 26 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2000790 + ... + 3270690.

Almost surely, 2^{3347128861740} is an apocalyptic number.

3347128861740 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3347128861740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5253264558696).

3347128861740 is an abundant number, since it is smaller than the sum of its proper divisors (7159400255652).

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

3347128861740 is a wasteful number, since it uses less digits than its factorization.

3347128861740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271549 (or 1271538 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 54.

The spelling of 3347128861740 in words is "three trillion, three hundred forty-seven billion, one hundred twenty-eight million, eight hundred sixty-one thousand, seven hundred forty".