4640512044623 has 32 divisors (see below), whose sum is σ = 5762787158016. Its totient is φ = 3638588502528.

The previous prime is 4640512044599. The next prime is 4640512044653. The reversal of 4640512044623 is 3264402150464.

It is not a de Polignac number, because 4640512044623 - 2¹⁴ = 4640512028239 is a prime.

It is a super-2 number, since 2×4640512044623² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4640512044653) 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, 79427540 + ... + 79485942.

It is an arithmetic number, because the mean of its divisors is an integer number (180087098688).

Almost surely, 2^{4640512044623} is an apocalyptic number.

4640512044623 is a deficient number, since it is larger than the sum of its proper divisors (1122275113393).

4640512044623 is a wasteful number, since it uses less digits than its factorization.

4640512044623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66263.

The product of its (nonzero) digits is 552960, while the sum is 41.

The spelling of 4640512044623 in words is "four trillion, six hundred forty billion, five hundred twelve million, forty-four thousand, six hundred twenty-three".