3340556840 has 64 divisors (see below), whose sum is σ = 7730499600. Its totient is φ = 1298239488.

The previous prime is 3340556833. The next prime is 3340556881. The reversal of 3340556840 is 486550433.

It can be written as a sum of positive squares in 8 ways, for example, as 2367990244 + 972566596 = 48662^2 + 31186^2 .

It is a super-2 number, since 2×3340556840² = 22318640002541571200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3340556794 and 3340556803.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1492202 + ... + 1494438.

Almost surely, 2^3340556840 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3340556840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3865249800).

3340556840 is an abundant number, since it is smaller than the sum of its proper divisors (4389942760).

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

3340556840 is a wasteful number, since it uses less digits than its factorization.

3340556840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3294 (or 3290 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 38.

The square root of 3340556840 is about 57797.5504671262. The cubic root of 3340556840 is about 1494.8798522401.

The spelling of 3340556840 in words is "three billion, three hundred forty million, five hundred fifty-six thousand, eight hundred forty".