644200006053114 has 48 divisors (see below), whose sum is σ = 1610955602156160. Its totient is φ = 182234796616800.

The previous prime is 644200006053113. The next prime is 644200006053161. The reversal of 644200006053114 is 411350600002446.

644200006053114 is a `hidden beast` number, since 6 + 4 + 4 + 2 + 0 + 0 + 0 + 0 + 605 + 31 + 14 = 666.

It is a super-2 number, since 2×644200006053114² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (644200006053113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25310375694 + ... + 25310401145.

It is an arithmetic number, because the mean of its divisors is an integer number (33561575044920).

Almost surely, 2^{644200006053114} is an apocalyptic number.

644200006053114 is an abundant number, since it is smaller than the sum of its proper divisors (966755596103046).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

644200006053114 is a wasteful number, since it uses less digits than its factorization.

644200006053114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50620776955 (or 50620776952 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 644200006053114 in words is "six hundred forty-four trillion, two hundred billion, six million, fifty-three thousand, one hundred fourteen".