255015109448 has 36 divisors (see below), whose sum is σ = 525605878035. Its totient is φ = 115908817200.

The previous prime is 255015109423. The next prime is 255015109483. The reversal of 255015109448 is 844901510552.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 127507554724 + 127507554724 = 357082^2 + 357082^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=357082.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 255015109399 and 255015109408.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 15703493 + ... + 15719723.

Almost surely, 2^255015109448 is an apocalyptic number.

It is an amenable number.

255015109448 is an abundant number, since it is smaller than the sum of its proper divisors (270590768587).

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

255015109448 is an frugal number, since it uses more digits than its factorization.

255015109448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32490 (or 16244 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 44.

It can be divided in two parts, 255015 and 109448, that added together give a palindrome (364463).

The spelling of 255015109448 in words is "two hundred fifty-five billion, fifteen million, one hundred nine thousand, four hundred forty-eight".