10326421376 has 64 divisors (see below), whose sum is σ = 21164673600. Its totient is φ = 5015592960.

The previous prime is 10326421373. The next prime is 10326421409. The reversal of 10326421376 is 67312462301.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10326421373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1250156 + ... + 1258388.

It is an arithmetic number, because the mean of its divisors is an integer number (330698025).

Almost surely, 2^10326421376 is an apocalyptic number.

10326421376 is a gapful number since it is divisible by the number (16) 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 10326421376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10582336800).

10326421376 is an abundant number, since it is smaller than the sum of its proper divisors (10838252224).

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

10326421376 is an equidigital number, since it uses as much as digits as its factorization.

10326421376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8527 (or 8515 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 35.

Adding to 10326421376 its reverse (67312462301), we get a palindrome (77638883677).

The spelling of 10326421376 in words is "ten billion, three hundred twenty-six million, four hundred twenty-one thousand, three hundred seventy-six".