2542720512 has 80 divisors (see below), whose sum is σ = 6957202032. Its totient is φ = 824647680.

The previous prime is 2542720489. The next prime is 2542720517. The reversal of 2542720512 is 2150272452.

It is a self number, because there is not a number n which added to its sum of digits gives 2542720512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2542720517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34462 + ... + 79202.

Almost surely, 2^2542720512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2542720512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3478601016).

2542720512 is an abundant number, since it is smaller than the sum of its proper divisors (4414481520).

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

2542720512 is an equidigital number, since it uses as much as digits as its factorization.

2542720512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44799 (or 44783 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 30.

The square root of 2542720512 is about 50425.3955066294. The cubic root of 2542720512 is about 1364.8959407585.

Adding to 2542720512 its reverse (2150272452), we get a palindrome (4692992964).

The spelling of 2542720512 in words is "two billion, five hundred forty-two million, seven hundred twenty thousand, five hundred twelve".