534044644418640 has 80 divisors (see below), whose sum is σ = 1712625928675200. Its totient is φ = 137501149825536.

The previous prime is 534044644418599. The next prime is 534044644418689. The reversal of 534044644418640 is 46814446440435.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38365269220 + ... + 38365283139.

It is an arithmetic number, because the mean of its divisors is an integer number (21407824108440).

Almost surely, 2^{534044644418640} is an apocalyptic number.

It is an amenable number.

534044644418640 is an abundant number, since it is smaller than the sum of its proper divisors (1178581284256560).

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

534044644418640 is a wasteful number, since it uses less digits than its factorization.

534044644418640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76730552404 (or 76730552398 counting only the distinct ones).

The product of its (nonzero) digits is 70778880, while the sum is 57.

The spelling of 534044644418640 in words is "five hundred thirty-four trillion, forty-four billion, six hundred forty-four million, four hundred eighteen thousand, six hundred forty".