2620780719072 has 96 divisors (see below), whose sum is σ = 6947425013760. Its totient is φ = 864985443840.

The previous prime is 2620780719047. The next prime is 2620780719079. The reversal of 2620780719072 is 2709170870262.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2620780719079) 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, 15307413 + ... + 15477675.

It is an arithmetic number, because the mean of its divisors is an integer number (72369010560).

Almost surely, 2^{2620780719072} 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 2620780719072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3473712506880).

2620780719072 is an abundant number, since it is smaller than the sum of its proper divisors (4326644294688).

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

2620780719072 is a wasteful number, since it uses less digits than its factorization.

2620780719072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171856 (or 171848 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 51.

The spelling of 2620780719072 in words is "two trillion, six hundred twenty billion, seven hundred eighty million, seven hundred nineteen thousand, seventy-two".