3427245640 has 384 divisors, whose sum is σ = 10321551360. Its totient is φ = 1000276992.

The previous prime is 3427245629. The next prime is 3427245671. The reversal of 3427245640 is 465427243.

It is a self number, because there is not a number n which added to its sum of digits gives 3427245640.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 51152887 + ... + 51152953.

It is an arithmetic number, because the mean of its divisors is an integer number (26879040).

Almost surely, 2^3427245640 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 3427245640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5160775680).

3427245640 is an abundant number, since it is smaller than the sum of its proper divisors (6894305720).

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

3427245640 is a wasteful number, since it uses less digits than its factorization.

3427245640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181 (or 164 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 37.

The square root of 3427245640 is about 58542.6822070872. The cubic root of 3427245640 is about 1507.7004954142.

The spelling of 3427245640 in words is "three billion, four hundred twenty-seven million, two hundred forty-five thousand, six hundred forty".