10421273400 has 192 divisors, whose sum is σ = 33722529120. Its totient is φ = 2659737600.

The previous prime is 10421273399. The next prime is 10421273407. The reversal of 10421273400 is 437212401.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10421273407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1299804 + ... + 1307796.

Almost surely, 2^10421273400 is an apocalyptic number.

10421273400 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 10421273400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16861264560).

10421273400 is an abundant number, since it is smaller than the sum of its proper divisors (23301255720).

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

10421273400 is a wasteful number, since it uses less digits than its factorization.

10421273400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8106 (or 8097 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

Adding to 10421273400 its reverse (437212401), we get a palindrome (10858485801).

The spelling of 10421273400 in words is "ten billion, four hundred twenty-one million, two hundred seventy-three thousand, four hundred".