3633623540 has 12 divisors (see below), whose sum is σ = 7630609476. Its totient is φ = 1453449408.

The previous prime is 3633623531. The next prime is 3633623557. The reversal of 3633623540 is 453263363.

3633623540 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 2 ways, for example, as 1946221456 + 1687402084 = 44116^2 + 41078^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3633623540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90840569 + ... + 90840608.

It is an arithmetic number, because the mean of its divisors is an integer number (635884123).

Almost surely, 2^3633623540 is an apocalyptic number.

It is an amenable number.

3633623540 is an abundant number, since it is smaller than the sum of its proper divisors (3996985936).

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

3633623540 is a wasteful number, since it uses less digits than its factorization.

3633623540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181681186 (or 181681184 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 35.

The square root of 3633623540 is about 60279.5449551504. The cubic root of 3633623540 is about 1537.3755744815.

The spelling of 3633623540 in words is "three billion, six hundred thirty-three million, six hundred twenty-three thousand, five hundred forty".