2828946640 has 160 divisors (see below), whose sum is σ = 7438023936. Its totient is φ = 992808960.

The previous prime is 2828946619. The next prime is 2828946641. The reversal of 2828946640 is 466498282.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2828946641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5429580 + ... + 5430100.

Almost surely, 2^2828946640 is an apocalyptic number.

2828946640 is a gapful number since it is divisible by the number (20) 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 2828946640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3719011968).

2828946640 is an abundant number, since it is smaller than the sum of its proper divisors (4609077296).

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

2828946640 is a wasteful number, since it uses less digits than its factorization.

2828946640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797 (or 791 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 49.

The square root of 2828946640 is about 53187.8429718672. The cubic root of 2828946640 is about 1414.3001429480.

The spelling of 2828946640 in words is "two billion, eight hundred twenty-eight million, nine hundred forty-six thousand, six hundred forty".