544252220505 has 24 divisors (see below), whose sum is σ = 1078137732672. Its totient is φ = 248801014944.

The previous prime is 544252220497. The next prime is 544252220507. The reversal of 544252220505 is 505022252445.

544252220505 is a `hidden beast` number, since 5 + 4 + 425 + 2 + 220 + 5 + 0 + 5 = 666.

It is not a de Polignac number, because 544252220505 - 2³ = 544252220497 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 544252220505.

It is not an unprimeable number, because it can be changed into a prime (544252220507) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 863892099 + ... + 863892728.

It is an arithmetic number, because the mean of its divisors is an integer number (44922405528).

Almost surely, 2^544252220505 is an apocalyptic number.

It is an amenable number.

544252220505 is a deficient number, since it is larger than the sum of its proper divisors (533885512167).

544252220505 is a wasteful number, since it uses less digits than its factorization.

544252220505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1727784845 (or 1727784842 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 36.

The spelling of 544252220505 in words is "five hundred forty-four billion, two hundred fifty-two million, two hundred twenty thousand, five hundred five".