4645640445 has 16 divisors (see below), whose sum is σ = 7433897472. Its totient is φ = 2477384000.

The previous prime is 4645640437. The next prime is 4645640459. The reversal of 4645640445 is 5440465464.

It is not a de Polignac number, because 4645640445 - 2³ = 4645640437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4645640397 and 4645640406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192820 + ... + 215570.

It is an arithmetic number, because the mean of its divisors is an integer number (464618592).

Almost surely, 2^4645640445 is an apocalyptic number.

It is an amenable number.

4645640445 is a deficient number, since it is larger than the sum of its proper divisors (2788257027).

4645640445 is a wasteful number, since it uses less digits than its factorization.

4645640445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36372.

The product of its (nonzero) digits is 921600, while the sum is 42.

The square root of 4645640445 is about 68158.9351809431. The cubic root of 4645640445 is about 1668.5857539254.

The spelling of 4645640445 in words is "four billion, six hundred forty-five million, six hundred forty thousand, four hundred forty-five".