28414122660 has 864 divisors, whose sum is σ = 120882827520. Its totient is φ = 5255331840.

The previous prime is 28414122601. The next prime is 28414122689. The reversal of 28414122660 is 6622141482.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 49244292 + ... + 49244868.

It is an arithmetic number, because the mean of its divisors is an integer number (139910680).

Almost surely, 2^28414122660 is an apocalyptic number.

28414122660 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 28414122660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60441413760).

28414122660 is an abundant number, since it is smaller than the sum of its proper divisors (92468704860).

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

28414122660 is a wasteful number, since it uses less digits than its factorization.

28414122660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657 (or 641 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The spelling of 28414122660 in words is "twenty-eight billion, four hundred fourteen million, one hundred twenty-two thousand, six hundred sixty".