544400646512 has 10 divisors (see below), whose sum is σ = 1054776252648. Its totient is φ = 272200323248.

The previous prime is 544400646481. The next prime is 544400646529. The reversal of 544400646512 is 215646004445.

It is a super-2 number, since 2×544400646512² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 544400646512.

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 as a sum of consecutive naturals, namely, 17012520188 + ... + 17012520219.

Almost surely, 2^544400646512 is an apocalyptic number.

It is an amenable number.

544400646512 is a deficient number, since it is larger than the sum of its proper divisors (510375606136).

544400646512 is a wasteful number, since it uses less digits than its factorization.

544400646512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34025040415 (or 34025040409 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 41.

The spelling of 544400646512 in words is "five hundred forty-four billion, four hundred million, six hundred forty-six thousand, five hundred twelve".