3421907240 has 32 divisors (see below), whose sum is σ = 7825514760. Its totient is φ = 1346323200.

The previous prime is 3421907233. The next prime is 3421907261. The reversal of 3421907240 is 427091243.

3421907240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1911963076 + 1509944164 = 43726^2 + 38858^2 .

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 3421907197 and 3421907206.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 698771 + ... + 703650.

Almost surely, 2^3421907240 is an apocalyptic number.

It is an amenable number.

3421907240 is an abundant number, since it is smaller than the sum of its proper divisors (4403607520).

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

3421907240 is a wasteful number, since it uses less digits than its factorization.

3421907240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402493 (or 1402489 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 3421907240 is about 58497.0703539929. The cubic root of 3421907240 is about 1506.9172725995.

Adding to 3421907240 its reverse (427091243), we get a palindrome (3848998483).

The spelling of 3421907240 in words is "three billion, four hundred twenty-one million, nine hundred seven thousand, two hundred forty".