3528621040 has 40 divisors (see below), whose sum is σ = 9376051680. Its totient is φ = 1209812736.

The previous prime is 3528621017. The next prime is 3528621049. The reversal of 3528621040 is 401268253.

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 = 3528620993 and 3528621011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3528621049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3149995 + ... + 3151114.

It is an arithmetic number, because the mean of its divisors is an integer number (234401292).

Almost surely, 2^3528621040 is an apocalyptic number.

It is an amenable number.

3528621040 is an abundant number, since it is smaller than the sum of its proper divisors (5847430640).

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

3528621040 is a wasteful number, since it uses less digits than its factorization.

3528621040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6301129 (or 6301123 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 3528621040 is about 59402.1972657578. The cubic root of 3528621040 is about 1522.4218432471.

Adding to 3528621040 its reverse (401268253), we get a palindrome (3929889293).

The spelling of 3528621040 in words is "three billion, five hundred twenty-eight million, six hundred twenty-one thousand, forty".