3640405463611 has 16 divisors (see below), whose sum is σ = 4259142860544. Its totient is φ = 3046403543904.

The previous prime is 3640405463599. The next prime is 3640405463657. The reversal of 3640405463611 is 1163645040463.

3640405463611 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3640405463611 - 2⁷ = 3640405463483 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3640405463111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2066461 + ... + 3398686.

It is an arithmetic number, because the mean of its divisors is an integer number (266196428784).

Almost surely, 2^{3640405463611} is an apocalyptic number.

3640405463611 is a deficient number, since it is larger than the sum of its proper divisors (618737396933).

3640405463611 is a wasteful number, since it uses less digits than its factorization.

3640405463611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5467410.

The product of its (nonzero) digits is 622080, while the sum is 43.

The spelling of 3640405463611 in words is "three trillion, six hundred forty billion, four hundred five million, four hundred sixty-three thousand, six hundred eleven".