28644457530150 has 576 divisors, whose sum is σ = 100414608053760. Its totient is φ = 5897467699200.

The previous prime is 28644457530121. The next prime is 28644457530163. The reversal of 28644457530150 is 5103575444682.

28644457530150 is a `hidden beast` number, since 2 + 8 + 6 + 4 + 4 + 4 + 57 + 530 + 1 + 50 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 101834502 + ... + 102115398.

It is an arithmetic number, because the mean of its divisors is an integer number (174330916760).

Almost surely, 2^{28644457530150} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28644457530150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50207304026880).

28644457530150 is an abundant number, since it is smaller than the sum of its proper divisors (71770150523610).

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

28644457530150 is a wasteful number, since it uses less digits than its factorization.

28644457530150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281051 (or 281034 counting only the distinct ones).

The product of its (nonzero) digits is 16128000, while the sum is 54.

The spelling of 28644457530150 in words is "twenty-eight trillion, six hundred forty-four billion, four hundred fifty-seven million, five hundred thirty thousand, one hundred fifty".