10240405 has 16 divisors (see below), whose sum is σ = 14655744. Its totient is φ = 6716160.

The previous prime is 10240397. The next prime is 10240423. The reversal of 10240405 is 50404201.

10240405 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10240405 - 2³ = 10240397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5556 + ... + 7165.

It is an arithmetic number, because the mean of its divisors is an integer number (915984).

Almost surely, 2^10240405 is an apocalyptic number.

It is an amenable number.

10240405 is a deficient number, since it is larger than the sum of its proper divisors (4415339).

10240405 is a wasteful number, since it uses less digits than its factorization.

10240405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12756.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 10240405 is about 3200.0632806243. The cubic root of 10240405 is about 217.1562721522.

Adding to 10240405 its reverse (50404201), we get a palindrome (60644606).

The spelling of 10240405 in words is "ten million, two hundred forty thousand, four hundred five".