3609354240 has 168 divisors, whose sum is σ = 12512942208. Its totient is φ = 962396160.

The previous prime is 3609354227. The next prime is 3609354241. The reversal of 3609354240 is 424539063.

3609354240 is a `hidden beast` number, since 3 + 60 + 9 + 354 + 240 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 3609354195 and 3609354204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3609354241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 363745 + ... + 373535.

Almost surely, 2^3609354240 is an apocalyptic number.

3609354240 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 3609354240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6256471104).

3609354240 is an abundant number, since it is smaller than the sum of its proper divisors (8903587968).

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

3609354240 is an equidigital number, since it uses as much as digits as its factorization.

3609354240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9828 (or 9801 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The square root of 3609354240 is about 60077.9014280625. The cubic root of 3609354240 is about 1533.9451689794.

The spelling of 3609354240 in words is "three billion, six hundred nine million, three hundred fifty-four thousand, two hundred forty".