2945770688 has 112 divisors (see below), whose sum is σ = 6960559104. Its totient is φ = 1210567680.

The previous prime is 2945770661. The next prime is 2945770721. The reversal of 2945770688 is 8860775492.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (56).

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, 1175645 + ... + 1178147.

Almost surely, 2^2945770688 is an apocalyptic number.

2945770688 is a gapful number since it is divisible by the number (28) 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 2945770688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3480279552).

2945770688 is an abundant number, since it is smaller than the sum of its proper divisors (4014788416).

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

2945770688 is a wasteful number, since it uses less digits than its factorization.

2945770688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2630 (or 2620 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 56.

The square root of 2945770688 is about 54274.9545186359. The cubic root of 2945770688 is about 1433.5064304861.

The spelling of 2945770688 in words is "two billion, nine hundred forty-five million, seven hundred seventy thousand, six hundred eighty-eight".