544401654446 has 32 divisors (see below), whose sum is σ = 894434940000. Its totient is φ = 246977297280.

The previous prime is 544401654431. The next prime is 544401654469. The reversal of 544401654446 is 644456104445.

It is a happy number.

It is a super-2 number, since 2×544401654446² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 544401654446.

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, 2262920 + ... + 2491908.

It is an arithmetic number, because the mean of its divisors is an integer number (27951091875).

Almost surely, 2^544401654446 is an apocalyptic number.

544401654446 is a deficient number, since it is larger than the sum of its proper divisors (350033285554).

544401654446 is a wasteful number, since it uses less digits than its factorization.

544401654446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230564.

The product of its (nonzero) digits is 3686400, while the sum is 47.

The spelling of 544401654446 in words is "five hundred forty-four billion, four hundred one million, six hundred fifty-four thousand, four hundred forty-six".