28947483671040 has 4320 divisors, whose sum is σ = 129280170539520. Its totient is φ = 5956042752000.

The previous prime is 28947483671033. The next prime is 28947483671047. The reversal of 28947483671040 is 4017638474982.

28947483671040 is a `hidden beast` number, since 2 + 8 + 9 + 47 + 483 + 6 + 7 + 104 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (28947483671033) and next prime (28947483671047).

It is not an unprimeable number, because it can be changed into a prime (28947483671047) by changing a digit.

It is a polite number, since it can be written in 431 ways as a sum of consecutive naturals, for example, 474548912610 + ... + 474548912670.

Almost surely, 2^{28947483671040} is an apocalyptic number.

28947483671040 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 28947483671040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64640085269760).

28947483671040 is an abundant number, since it is smaller than the sum of its proper divisors (100332686868480).

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

28947483671040 is a wasteful number, since it uses less digits than its factorization.

28947483671040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 65028096, while the sum is 63.

The spelling of 28947483671040 in words is "twenty-eight trillion, nine hundred forty-seven billion, four hundred eighty-three million, six hundred seventy-one thousand, forty".