2725112640 has 112 divisors (see below), whose sum is σ = 8836468992. Its totient is φ = 711223296.

The previous prime is 2725112617. The next prime is 2725112669. The reversal of 2725112640 is 462115272.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2725112598 and 2725112607.

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, 14922 + ... + 75318.

Almost surely, 2^2725112640 is an apocalyptic number.

2725112640 is a gapful number since it is divisible by the number (20) 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 2725112640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4418234496).

2725112640 is an abundant number, since it is smaller than the sum of its proper divisors (6111356352).

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

2725112640 is a wasteful number, since it uses less digits than its factorization.

2725112640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60464 (or 60454 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 2725112640 is about 52202.6114289314. The cubic root of 2725112640 is about 1396.7804657634.

The spelling of 2725112640 in words is "two billion, seven hundred twenty-five million, one hundred twelve thousand, six hundred forty".