3605502540 has 96 divisors (see below), whose sum is σ = 10758666240. Its totient is φ = 900080896.

The previous prime is 3605502503. The next prime is 3605502559. The reversal of 3605502540 is 452055063.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 3605502498 and 3605502507.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37066 + ... + 92654.

It is an arithmetic number, because the mean of its divisors is an integer number (112069440).

Almost surely, 2^3605502540 is an apocalyptic number.

3605502540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3605502540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5379333120).

3605502540 is an abundant number, since it is smaller than the sum of its proper divisors (7153163700).

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

3605502540 is a wasteful number, since it uses less digits than its factorization.

3605502540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55671 (or 55669 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 3605502540 is about 60045.8369914185. The cubic root of 3605502540 is about 1533.3993280774.

The spelling of 3605502540 in words is "three billion, six hundred five million, five hundred two thousand, five hundred forty".