2650904928 has 768 divisors, whose sum is σ = 10450944000. Its totient is φ = 635019264.

The previous prime is 2650904917. The next prime is 2650904929. The reversal of 2650904928 is 8294090562.

2650904928 is a `hidden beast` number, since 26 + 50 + 90 + 492 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2650904929) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 44930563 + ... + 44930621.

It is an arithmetic number, because the mean of its divisors is an integer number (13608000).

Almost surely, 2^2650904928 is an apocalyptic number.

2650904928 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 2650904928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5225472000).

2650904928 is an abundant number, since it is smaller than the sum of its proper divisors (7800039072).

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

2650904928 is a wasteful number, since it uses less digits than its factorization.

2650904928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 2650904928 is about 51486.9393924323. The cubic root of 2650904928 is about 1383.9850032344.

The spelling of 2650904928 in words is "two billion, six hundred fifty million, nine hundred four thousand, nine hundred twenty-eight".