3621444464404 has 24 divisors (see below), whose sum is σ = 7121770387200. Its totient is φ = 1598764779744.

The previous prime is 3621444464399. The next prime is 3621444464423. The reversal of 3621444464404 is 4044644441263.

It is a super-2 number, since 2×3621444464404² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

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, 1513980604 + ... + 1513982995.

It is an arithmetic number, because the mean of its divisors is an integer number (296740432800).

Almost surely, 2^{3621444464404} is an apocalyptic number.

It is an amenable number.

3621444464404 is a deficient number, since it is larger than the sum of its proper divisors (3500325922796).

3621444464404 is a wasteful number, since it uses less digits than its factorization.

3621444464404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3027963639 (or 3027963637 counting only the distinct ones).

The product of its (nonzero) digits is 3538944, while the sum is 46.

The spelling of 3621444464404 in words is "three trillion, six hundred twenty-one billion, four hundred forty-four million, four hundred sixty-four thousand, four hundred four".