3490368240 has 40 divisors (see below), whose sum is σ = 10820142288. Its totient is φ = 930764800.

The previous prime is 3490368227. The next prime is 3490368319. The reversal of 3490368240 is 428630943.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7271361 + ... + 7271840.

Almost surely, 2^3490368240 is an apocalyptic number.

3490368240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3490368240 is an abundant number, since it is smaller than the sum of its proper divisors (7329774048).

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

3490368240 is a wasteful number, since it uses less digits than its factorization.

3490368240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14543217 (or 14543211 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 39.

The square root of 3490368240 is about 59079.3385203321. The cubic root of 3490368240 is about 1516.9004589613.

The spelling of 3490368240 in words is "three billion, four hundred ninety million, three hundred sixty-eight thousand, two hundred forty".