3640200402040 has 16 divisors (see below), whose sum is σ = 8190450904680. Its totient is φ = 1456080160800.

The previous prime is 3640200402023. The next prime is 3640200402071. The reversal of 3640200402040 is 402040020463.

3640200402040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3640200401996 and 3640200402014.

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, 45502504986 + ... + 45502505065.

Almost surely, 2^{3640200402040} is an apocalyptic number.

It is an amenable number.

3640200402040 is an abundant number, since it is smaller than the sum of its proper divisors (4550250502640).

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

3640200402040 is a wasteful number, since it uses less digits than its factorization.

3640200402040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91005010062 (or 91005010058 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The spelling of 3640200402040 in words is "three trillion, six hundred forty billion, two hundred million, four hundred two thousand, forty".