4640544043 has 8 divisors (see below), whose sum is σ = 4916566512. Its totient is φ = 4364860416.

The previous prime is 4640544023. The next prime is 4640544053. The reversal of 4640544043 is 3404450464.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4640544043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4640544023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56230 + ... + 111547.

It is an arithmetic number, because the mean of its divisors is an integer number (614570814).

Almost surely, 2^4640544043 is an apocalyptic number.

4640544043 is a deficient number, since it is larger than the sum of its proper divisors (276022469).

4640544043 is a wasteful number, since it uses less digits than its factorization.

4640544043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169421.

The product of its (nonzero) digits is 92160, while the sum is 34.

The square root of 4640544043 is about 68121.5387597785. The cubic root of 4640544043 is about 1667.9753683820.

The spelling of 4640544043 in words is "four billion, six hundred forty million, five hundred forty-four thousand, forty-three".