3656040024 has 64 divisors (see below), whose sum is σ = 11249360640. Its totient is φ = 964229760.

The previous prime is 3656040023. The next prime is 3656040029. The reversal of 3656040024 is 4200406563.

It is a junction number, because it is equal to n+sod(n) for n = 3656039973 and 3656040000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3656040023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 834822 + ... + 839189.

It is an arithmetic number, because the mean of its divisors is an integer number (175771260).

Almost surely, 2^3656040024 is an apocalyptic number.

It is an amenable number.

3656040024 is an abundant number, since it is smaller than the sum of its proper divisors (7593320616).

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

3656040024 is a wasteful number, since it uses less digits than its factorization.

3656040024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1674040 (or 1674036 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 3656040024 is about 60465.1967994813. The cubic root of 3656040024 is about 1540.5305452607.

Adding to 3656040024 its reverse (4200406563), we get a palindrome (7856446587).

The spelling of 3656040024 in words is "three billion, six hundred fifty-six million, forty thousand, twenty-four".