10405140340 has 48 divisors (see below), whose sum is σ = 25214821632. Its totient is φ = 3532836096.

The previous prime is 10405140329. The next prime is 10405140341. The reversal of 10405140340 is 4304150401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10405140341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 346369 + ... + 375208.

It is an arithmetic number, because the mean of its divisors is an integer number (525308784).

Almost surely, 2^10405140340 is an apocalyptic number.

10405140340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10405140340 is an abundant number, since it is smaller than the sum of its proper divisors (14809681292).

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

10405140340 is a wasteful number, since it uses less digits than its factorization.

10405140340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721696 (or 721694 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 10405140340 its reverse (4304150401), we get a palindrome (14709290741).

The spelling of 10405140340 in words is "ten billion, four hundred five million, one hundred forty thousand, three hundred forty".