3597445840 has 120 divisors (see below), whose sum is σ = 8774632584. Its totient is φ = 1371340800.

The previous prime is 3597445811. The next prime is 3597445927. The reversal of 3597445840 is 485447953.

It is a happy number.

3597445840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1112622736 + 2484823104 = 33356^2 + 49848^2 .

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, 5611920 + ... + 5612560.

Almost surely, 2^3597445840 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 3597445840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4387316292).

3597445840 is an abundant number, since it is smaller than the sum of its proper divisors (5177186744).

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

3597445840 is a wasteful number, since it uses less digits than its factorization.

3597445840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789 (or 752 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 49.

The square root of 3597445840 is about 59978.7115566848. The cubic root of 3597445840 is about 1532.2563203480.

The spelling of 3597445840 in words is "three billion, five hundred ninety-seven million, four hundred forty-five thousand, eight hundred forty".