28411429980 has 96 divisors (see below), whose sum is σ = 84602568960. Its totient is φ = 7103600640.

The previous prime is 28411429919. The next prime is 28411430009. The reversal of 28411429980 is 8992411482.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17886 + ... + 239045.

It is an arithmetic number, because the mean of its divisors is an integer number (881276760).

Almost surely, 2^28411429980 is an apocalyptic number.

28411429980 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 28411429980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42301284480).

28411429980 is an abundant number, since it is smaller than the sum of its proper divisors (56191138980).

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

28411429980 is a wasteful number, since it uses less digits than its factorization.

28411429980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257059 (or 257057 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 48.

The spelling of 28411429980 in words is "twenty-eight billion, four hundred eleven million, four hundred twenty-nine thousand, nine hundred eighty".