10340421120 has 400 divisors, whose sum is σ = 37859773248. Its totient is φ = 2696232960.

The previous prime is 10340421103. The next prime is 10340421131. The reversal of 10340421120 is 2112404301.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10340421093 and 10340421102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9745390 + ... + 9746450.

Almost surely, 2^10340421120 is an apocalyptic number.

10340421120 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 10340421120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18929886624).

10340421120 is an abundant number, since it is smaller than the sum of its proper divisors (27519352128).

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

10340421120 is an equidigital number, since it uses as much as digits as its factorization.

10340421120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143 (or 1118 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 10340421120 its reverse (2112404301), we get a palindrome (12452825421).

The spelling of 10340421120 in words is "ten billion, three hundred forty million, four hundred twenty-one thousand, one hundred twenty".