10405340 has 24 divisors (see below), whose sum is σ = 23838192. Its totient is φ = 3783680.

The previous prime is 10405337. The next prime is 10405363. The reversal of 10405340 is 4350401.

It is a super-2 number, since 2×10405340² = 216542201031200, which contains 22 as substring.

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, 23429 + ... + 23868.

It is an arithmetic number, because the mean of its divisors is an integer number (993258).

Almost surely, 2^10405340 is an apocalyptic number.

10405340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10405340 is an abundant number, since it is smaller than the sum of its proper divisors (13432852).

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

10405340 is a wasteful number, since it uses less digits than its factorization.

10405340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47317 (or 47315 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 10405340 is about 3225.7309249223. The cubic root of 10405340 is about 218.3159294378.

Adding to 10405340 its reverse (4350401), we get a palindrome (14755741).

The spelling of 10405340 in words is "ten million, four hundred five thousand, three hundred forty".