3621448464 has 20 divisors (see below), whose sum is σ = 9355408656. Its totient is φ = 1207149472.

The previous prime is 3621448429. The next prime is 3621448471. The reversal of 3621448464 is 4648441263.

It is a super-2 number, since 2×3621448464² = 26229777954815918592, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37723374 + ... + 37723469.

Almost surely, 2^3621448464 is an apocalyptic number.

It is an amenable number.

3621448464 is an abundant number, since it is smaller than the sum of its proper divisors (5733960192).

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

3621448464 is a wasteful number, since it uses less digits than its factorization.

3621448464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75446854 (or 75446848 counting only the distinct ones).

The product of its digits is 442368, while the sum is 42.

The square root of 3621448464 is about 60178.4717652418. The cubic root of 3621448464 is about 1535.6565733400.

The spelling of 3621448464 in words is "three billion, six hundred twenty-one million, four hundred forty-eight thousand, four hundred sixty-four".