3499306240 has 72 divisors (see below), whose sum is σ = 8402704128. Its totient is φ = 1396254720.

The previous prime is 3499306169. The next prime is 3499306259. The reversal of 3499306240 is 426039943.

It is a super-2 number, since 2×3499306240² = 24490288322605875200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 3499306193 and 3499306202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 548509 + ... + 554851.

It is an arithmetic number, because the mean of its divisors is an integer number (116704224).

Almost surely, 2^3499306240 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 3499306240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4201352064).

3499306240 is an abundant number, since it is smaller than the sum of its proper divisors (4903397888).

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

3499306240 is an equidigital number, since it uses as much as digits as its factorization.

3499306240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6795 (or 6781 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 40.

The square root of 3499306240 is about 59154.9341982560. The cubic root of 3499306240 is about 1518.1941619772.

The spelling of 3499306240 in words is "three billion, four hundred ninety-nine million, three hundred six thousand, two hundred forty".