28215060480 has 1152 divisors, whose sum is σ = 115907500800. Its totient is φ = 6539968512.

The previous prime is 28215060479. The next prime is 28215060481. The reversal of 28215060480 is 8406051282.

28215060480 is a `hidden beast` number, since 28 + 2 + 150 + 6 + 0 + 480 = 666.

It is an interprime number because it is at equal distance from previous prime (28215060479) and next prime (28215060481).

It is a tau number, because it is divible by the number of its divisors (1152).

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

It is not an unprimeable number, because it can be changed into a prime (28215060481) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 972933106 + ... + 972933134.

It is an arithmetic number, because the mean of its divisors is an integer number (100614150).

Almost surely, 2^28215060480 is an apocalyptic number.

28215060480 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 28215060480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57953750400).

28215060480 is an abundant number, since it is smaller than the sum of its proper divisors (87692440320).

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

28215060480 is a wasteful number, since it uses less digits than its factorization.

28215060480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111 (or 79 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The spelling of 28215060480 in words is "twenty-eight billion, two hundred fifteen million, sixty thousand, four hundred eighty".