3604252240 has 40 divisors (see below), whose sum is σ = 8668853640. Its totient is φ = 1391986176.

The previous prime is 3604252213. The next prime is 3604252259. The reversal of 3604252240 is 422524063.

It can be written as a sum of positive squares in 4 ways, for example, as 398880784 + 3205371456 = 19972^2 + 56616^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 3604252199 and 3604252208.

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, 774459 + ... + 779098.

It is an arithmetic number, because the mean of its divisors is an integer number (216721341).

Almost surely, 2^3604252240 is an apocalyptic number.

It is an amenable number.

3604252240 is an abundant number, since it is smaller than the sum of its proper divisors (5064601400).

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

3604252240 is a wasteful number, since it uses less digits than its factorization.

3604252240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1553599 (or 1553593 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 3604252240 is about 60035.4248756515. The cubic root of 3604252240 is about 1533.2220591378. Note that the first 3 decimals are identical.

The spelling of 3604252240 in words is "three billion, six hundred four million, two hundred fifty-two thousand, two hundred forty".