4640115154565 has 32 divisors (see below), whose sum is σ = 6343052841216. Its totient is φ = 3225553999360.

The previous prime is 4640115154561. The next prime is 4640115154627. The reversal of 4640115154565 is 5654515110464.

It is not a de Polignac number, because 4640115154565 - 2² = 4640115154561 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4640115154561) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 401057 + ... + 3072633.

It is an arithmetic number, because the mean of its divisors is an integer number (198220401288).

Almost surely, 2^{4640115154565} is an apocalyptic number.

It is an amenable number.

4640115154565 is a deficient number, since it is larger than the sum of its proper divisors (1702937686651).

4640115154565 is a wasteful number, since it uses less digits than its factorization.

4640115154565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2672989.

The product of its (nonzero) digits is 1440000, while the sum is 47.

The spelling of 4640115154565 in words is "four trillion, six hundred forty billion, one hundred fifteen million, one hundred fifty-four thousand, five hundred sixty-five".