3461644720 has 40 divisors (see below), whose sum is σ = 8521758144. Its totient is φ = 1303206912.

The previous prime is 3461644709. The next prime is 3461644733. The reversal of 3461644720 is 274461643.

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

It is a self number, because there is not a number n which added to its sum of digits gives 3461644720.

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, 1271304 + ... + 1274023.

Almost surely, 2^3461644720 is an apocalyptic number.

It is an amenable number.

3461644720 is an abundant number, since it is smaller than the sum of its proper divisors (5060113424).

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

3461644720 is a wasteful number, since it uses less digits than its factorization.

3461644720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2545357 (or 2545351 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 37.

The square root of 3461644720 is about 58835.7435578068. The cubic root of 3461644720 is about 1512.7279488875.

The spelling of 3461644720 in words is "three billion, four hundred sixty-one million, six hundred forty-four thousand, seven hundred twenty".