2640203524 has 24 divisors (see below), whose sum is σ = 5423122880. Its totient is φ = 1100933856.

The previous prime is 2640203477. The next prime is 2640203537. The reversal of 2640203524 is 4253020462.

2640203524 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 2640203492 and 2640203501.

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, 1273194 + ... + 1275265.

Almost surely, 2^2640203524 is an apocalyptic number.

It is an amenable number.

2640203524 is an abundant number, since it is smaller than the sum of its proper divisors (2782919356).

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

2640203524 is a wasteful number, since it uses less digits than its factorization.

2640203524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2548507 (or 2548505 counting only the distinct ones).

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

The square root of 2640203524 is about 51382.9108167297. The cubic root of 2640203524 is about 1382.1201611749.

Adding to 2640203524 its reverse (4253020462), we get a palindrome (6893223986).

The spelling of 2640203524 in words is "two billion, six hundred forty million, two hundred three thousand, five hundred twenty-four".