28914411552 has 96 divisors (see below), whose sum is σ = 81778475520. Its totient is φ = 8892426240.

The previous prime is 28914411523. The next prime is 28914411553. The reversal of 28914411552 is 25511441982.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (28914411553) 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, 3389052 + ... + 3397572.

It is an arithmetic number, because the mean of its divisors is an integer number (851859120).

Almost surely, 2^28914411552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28914411552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40889237760).

28914411552 is an abundant number, since it is smaller than the sum of its proper divisors (52864063968).

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

28914411552 is a wasteful number, since it uses less digits than its factorization.

28914411552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11266 (or 11258 counting only the distinct ones).

The product of its digits is 115200, while the sum is 42.

The spelling of 28914411552 in words is "twenty-eight billion, nine hundred fourteen million, four hundred eleven thousand, five hundred fifty-two".