2927280261648 has 80 divisors (see below), whose sum is σ = 7963967416320. Its totient is φ = 923960757888.

The previous prime is 2927280261623. The next prime is 2927280261739. The reversal of 2927280261648 is 8461620827292.

It is a Harshad number since it is a multiple of its sum of digits (57).

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, 1134361 + ... + 2672327.

It is an arithmetic number, because the mean of its divisors is an integer number (99549592704).

Almost surely, 2^{2927280261648} 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 2927280261648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3981983708160).

2927280261648 is an abundant number, since it is smaller than the sum of its proper divisors (5036687154672).

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

2927280261648 is a wasteful number, since it uses less digits than its factorization.

2927280261648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1540084 (or 1540078 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 57.

The spelling of 2927280261648 in words is "two trillion, nine hundred twenty-seven billion, two hundred eighty million, two hundred sixty-one thousand, six hundred forty-eight".