28246396920 has 192 divisors, whose sum is σ = 104373010080. Its totient is φ = 6076514304.

The previous prime is 28246396877. The next prime is 28246396931. The reversal of 28246396920 is 2969364282.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 41329 + ... + 241248.

Almost surely, 2^28246396920 is an apocalyptic number.

28246396920 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 28246396920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52186505040).

28246396920 is an abundant number, since it is smaller than the sum of its proper divisors (76126613160).

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

28246396920 is a wasteful number, since it uses less digits than its factorization.

28246396920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282622 (or 282611 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 51.

The spelling of 28246396920 in words is "twenty-eight billion, two hundred forty-six million, three hundred ninety-six thousand, nine hundred twenty".