2538530928 has 200 divisors, whose sum is σ = 7614950112. Its totient is φ = 815795712.

The previous prime is 2538530927. The next prime is 2538530971. The reversal of 2538530928 is 8290358352.

2538530928 is a `hidden beast` number, since 25 + 3 + 8 + 530 + 92 + 8 = 666.

2538530928 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2538530927) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 8007826 + ... + 8008142.

Almost surely, 2^2538530928 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 2538530928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3807475056).

2538530928 is an abundant number, since it is smaller than the sum of its proper divisors (5076419184).

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

2538530928 is a wasteful number, since it uses less digits than its factorization.

2538530928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541 (or 526 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The square root of 2538530928 is about 50383.8359794091. The cubic root of 2538530928 is about 1364.1458924395.

The spelling of 2538530928 in words is "two billion, five hundred thirty-eight million, five hundred thirty thousand, nine hundred twenty-eight".