2725515144 has 96 divisors (see below), whose sum is σ = 8093592000. Its totient is φ = 821715840.

The previous prime is 2725515137. The next prime is 2725515161. The reversal of 2725515144 is 4415155272.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2725515099 and 2725515108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 148962 + ... + 166254.

It is an arithmetic number, because the mean of its divisors is an integer number (84308250).

Almost surely, 2^2725515144 is an apocalyptic number.

2725515144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2725515144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4046796000).

2725515144 is an abundant number, since it is smaller than the sum of its proper divisors (5368076856).

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

2725515144 is a wasteful number, since it uses less digits than its factorization.

2725515144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17515 (or 17508 counting only the distinct ones).

The product of its digits is 56000, while the sum is 36.

The square root of 2725515144 is about 52206.4664960194. The cubic root of 2725515144 is about 1396.8492313670.

The spelling of 2725515144 in words is "two billion, seven hundred twenty-five million, five hundred fifteen thousand, one hundred forty-four".