10402340 has 24 divisors (see below), whose sum is σ = 23525880. Its totient is φ = 3840768.

The previous prime is 10402333. The next prime is 10402361. The reversal of 10402340 is 4320401.

10402340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2427364 + 7974976 = 1558^2 + 2824^2 .

10402340 is a modest number, since divided by 2340 gives 1040 as remainder.

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, 19745 + ... + 20264.

It is an arithmetic number, because the mean of its divisors is an integer number (980245).

Almost surely, 2^10402340 is an apocalyptic number.

10402340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10402340 is an abundant number, since it is smaller than the sum of its proper divisors (13123540).

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

10402340 is a wasteful number, since it uses less digits than its factorization.

10402340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40031 (or 40029 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 10402340 is about 3225.2658805128. The cubic root of 10402340 is about 218.2949462778.

Adding to 10402340 its reverse (4320401), we get a palindrome (14722741).

It can be divided in two parts, 1040 and 2340, that multiplied together give a square (2433600 = 1560²).

The spelling of 10402340 in words is "ten million, four hundred two thousand, three hundred forty".