28571103400 has 192 divisors, whose sum is σ = 76987572480. Its totient is φ = 9658828800.

The previous prime is 28571103389. The next prime is 28571103433. The reversal of 28571103400 is 430117582.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34715389 + ... + 34716211.

It is an arithmetic number, because the mean of its divisors is an integer number (400976940).

Almost surely, 2^28571103400 is an apocalyptic number.

28571103400 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 28571103400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38493786240).

28571103400 is an abundant number, since it is smaller than the sum of its proper divisors (48416469080).

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

28571103400 is a wasteful number, since it uses less digits than its factorization.

28571103400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164 (or 1155 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The spelling of 28571103400 in words is "twenty-eight billion, five hundred seventy-one million, one hundred three thousand, four hundred".