10406140 has 12 divisors (see below), whose sum is σ = 21852936. Its totient is φ = 4162448.

The previous prime is 10406119. The next prime is 10406171. The reversal of 10406140 is 4160401.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260134 + ... + 260173.

It is an arithmetic number, because the mean of its divisors is an integer number (1821078).

Almost surely, 2^10406140 is an apocalyptic number.

10406140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10406140 is an abundant number, since it is smaller than the sum of its proper divisors (11446796).

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

10406140 is a wasteful number, since it uses less digits than its factorization.

10406140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520316 (or 520314 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 10406140 is about 3225.8549254422. The cubic root of 10406140 is about 218.3215242660.

Adding to 10406140 its reverse (4160401), we get a palindrome (14566541).

The spelling of 10406140 in words is "ten million, four hundred six thousand, one hundred forty".