544404748428 has 36 divisors (see below), whose sum is σ = 1423587132240. Its totient is φ = 175210723296.

The previous prime is 544404748417. The next prime is 544404748451. The reversal of 544404748428 is 824847404445.

It is a happy number.

544404748428 is a `hidden beast` number, since 54 + 4 + 40 + 474 + 84 + 2 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×544404748428² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 260729200 + ... + 260731287.

Almost surely, 2^544404748428 is an apocalyptic number.

544404748428 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

544404748428 is an abundant number, since it is smaller than the sum of its proper divisors (879182383812).

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

544404748428 is a wasteful number, since it uses less digits than its factorization.

544404748428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521460526 (or 521460521 counting only the distinct ones).

The product of its (nonzero) digits is 18350080, while the sum is 54.

The spelling of 544404748428 in words is "five hundred forty-four billion, four hundred four million, seven hundred forty-eight thousand, four hundred twenty-eight".