28602257120 has 96 divisors (see below), whose sum is σ = 68964962976. Its totient is φ = 11207116800.

The previous prime is 28602257111. The next prime is 28602257129. The reversal of 28602257120 is 2175220682.

It is an interprime number because it is at equal distance from previous prime (28602257111) and next prime (28602257129).

It is a super-2 number, since 2×28602257120² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28602257129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1932950 + ... + 1947690.

It is an arithmetic number, because the mean of its divisors is an integer number (718385031).

Almost surely, 2^28602257120 is an apocalyptic number.

28602257120 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 28602257120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34482481488).

28602257120 is an abundant number, since it is smaller than the sum of its proper divisors (40362705856).

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

28602257120 is a wasteful number, since it uses less digits than its factorization.

28602257120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15004 (or 14996 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The spelling of 28602257120 in words is "twenty-eight billion, six hundred two million, two hundred fifty-seven thousand, one hundred twenty".