3621573340 has 72 divisors (see below), whose sum is σ = 9651286512. Its totient is φ = 1128798720.

The previous prime is 3621573313. The next prime is 3621573407. The reversal of 3621573340 is 433751263.

It is a junction number, because it is equal to n+sod(n) for n = 3621573296 and 3621573305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 157197 + ... + 178756.

It is an arithmetic number, because the mean of its divisors is an integer number (134045646).

Almost surely, 2^3621573340 is an apocalyptic number.

It is an amenable number.

3621573340 is an abundant number, since it is smaller than the sum of its proper divisors (6029713172).

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

3621573340 is a wasteful number, since it uses less digits than its factorization.

3621573340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335987 (or 335978 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 34.

The square root of 3621573340 is about 60179.5093034166. The cubic root of 3621573340 is about 1535.6742241454.

The spelling of 3621573340 in words is "three billion, six hundred twenty-one million, five hundred seventy-three thousand, three hundred forty".