2128310747760 has 40 divisors (see below), whose sum is σ = 6597763318800. Its totient is φ = 567549532672.

The previous prime is 2128310747749. The next prime is 2128310747767. The reversal of 2128310747760 is 677470138212.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2128310747767) 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, 4433980485 + ... + 4433980964.

It is an arithmetic number, because the mean of its divisors is an integer number (164944082970).

Almost surely, 2^{2128310747760} is an apocalyptic number.

2128310747760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2128310747760 is an abundant number, since it is smaller than the sum of its proper divisors (4469452571040).

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

2128310747760 is a wasteful number, since it uses less digits than its factorization.

2128310747760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8867961465 (or 8867961459 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 48.

The spelling of 2128310747760 in words is "two trillion, one hundred twenty-eight billion, three hundred ten million, seven hundred forty-seven thousand, seven hundred sixty".