244355503545 has 32 divisors (see below), whose sum is σ = 440360620800. Its totient is φ = 128537684352.

The previous prime is 244355503543. The next prime is 244355503559. The reversal of 244355503545 is 545305553442.

244355503545 is a `hidden beast` number, since 2 + 4 + 4 + 3 + 55 + 50 + 3 + 545 = 666.

It is not a de Polignac number, because 244355503545 - 2¹ = 244355503543 is a prime.

It is a super-2 number, since 2×244355503545² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 244355503545.

It is not an unprimeable number, because it can be changed into a prime (244355503543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12387685 + ... + 12407394.

It is an arithmetic number, because the mean of its divisors is an integer number (13761269400).

Almost surely, 2^244355503545 is an apocalyptic number.

It is an amenable number.

244355503545 is a deficient number, since it is larger than the sum of its proper divisors (196005117255).

244355503545 is a wasteful number, since it uses less digits than its factorization.

244355503545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24795166 (or 24795160 counting only the distinct ones).

The product of its (nonzero) digits is 3600000, while the sum is 45.

The spelling of 244355503545 in words is "two hundred forty-four billion, three hundred fifty-five million, five hundred three thousand, five hundred forty-five".