10304021280 has 192 divisors, whose sum is σ = 37512357120. Its totient is φ = 2328674304.

The previous prime is 10304021269. The next prime is 10304021297. The reversal of 10304021280 is 8212040301.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 281812 + ... + 316268.

It is an arithmetic number, because the mean of its divisors is an integer number (195376860).

Almost surely, 2^10304021280 is an apocalyptic number.

10304021280 is a gapful number since it is divisible by the number (10) 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 10304021280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18756178560).

10304021280 is an abundant number, since it is smaller than the sum of its proper divisors (27208335840).

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

10304021280 is a wasteful number, since it uses less digits than its factorization.

10304021280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34571 (or 34563 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 10304021280 its reverse (8212040301), we get a palindrome (18516061581).

The spelling of 10304021280 in words is "ten billion, three hundred four million, twenty-one thousand, two hundred eighty".