10340321240 has 32 divisors (see below), whose sum is σ = 23270027760. Its totient is φ = 4135363200.

The previous prime is 10340321207. The next prime is 10340321261. The reversal of 10340321240 is 4212304301.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227630 + ... + 269250.

Almost surely, 2^10340321240 is an apocalyptic number.

10340321240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10340321240 is an abundant number, since it is smaller than the sum of its proper divisors (12929706520).

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

10340321240 is a wasteful number, since it uses less digits than its factorization.

10340321240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47843 (or 47839 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 10340321240 its reverse (4212304301), we get a palindrome (14552625541).

The spelling of 10340321240 in words is "ten billion, three hundred forty million, three hundred twenty-one thousand, two hundred forty".