3621554024 has 64 divisors (see below), whose sum is σ = 7643808000. Its totient is φ = 1594494720.

The previous prime is 3621554021. The next prime is 3621554039. The reversal of 3621554024 is 4204551263.

It is not an unprimeable number, because it can be changed into a prime (3621554021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 363542 + ... + 373370.

It is an arithmetic number, because the mean of its divisors is an integer number (119434500).

Almost surely, 2^3621554024 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 3621554024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3821904000).

3621554024 is an abundant number, since it is smaller than the sum of its proper divisors (4022253976).

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

3621554024 is a wasteful number, since it uses less digits than its factorization.

3621554024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9978 (or 9974 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 3621554024 is about 60179.3488166830. The cubic root of 3621554024 is about 1535.6714939199.

The spelling of 3621554024 in words is "three billion, six hundred twenty-one million, five hundred fifty-four thousand, twenty-four".