544545415120 has 80 divisors (see below), whose sum is σ = 1448049068928. Its totient is φ = 186557529600.

The previous prime is 544545415031. The next prime is 544545415153. The reversal of 544545415120 is 21514545445.

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

It is a super-2 number, since 2×544545415120² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

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, 354847 + ... + 1102273.

Almost surely, 2^544545415120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 544545415120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (724024534464).

544545415120 is an abundant number, since it is smaller than the sum of its proper divisors (903503653808).

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

544545415120 is a wasteful number, since it uses less digits than its factorization.

544545415120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748748 (or 748742 counting only the distinct ones).

The product of its (nonzero) digits is 320000, while the sum is 40.

The spelling of 544545415120 in words is "five hundred forty-four billion, five hundred forty-five million, four hundred fifteen thousand, one hundred twenty".