10421134400 has 84 divisors (see below), whose sum is σ = 26757489792. Its totient is φ = 3987202560.

The previous prime is 10421134393. The next prime is 10421134417. The reversal of 10421134400 is 443112401.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104792 + ... + 178391.

Almost surely, 2^10421134400 is an apocalyptic number.

10421134400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10421134400 is an abundant number, since it is smaller than the sum of its proper divisors (16336355392).

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

10421134400 is a wasteful number, since it uses less digits than its factorization.

10421134400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283228 (or 283213 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 10421134400 its reverse (443112401), we get a palindrome (10864246801).

The spelling of 10421134400 in words is "ten billion, four hundred twenty-one million, one hundred thirty-four thousand, four hundred".