2747770725440 has 112 divisors (see below), whose sum is σ = 7060573128000. Its totient is φ = 1012527544320.

The previous prime is 2747770725433. The next prime is 2747770725449. The reversal of 2747770725440 is 445270777472.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2747770725449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1413995 + ... + 2737685.

It is an arithmetic number, because the mean of its divisors is an integer number (63040831500).

Almost surely, 2^{2747770725440} is an apocalyptic number.

2747770725440 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 2747770725440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3530286564000).

2747770725440 is an abundant number, since it is smaller than the sum of its proper divisors (4312802402560).

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

2747770725440 is a wasteful number, since it uses less digits than its factorization.

2747770725440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324220 (or 1324210 counting only the distinct ones).

The product of its (nonzero) digits is 21512960, while the sum is 56.

The spelling of 2747770725440 in words is "two trillion, seven hundred forty-seven billion, seven hundred seventy million, seven hundred twenty-five thousand, four hundred forty".