10206440 has 32 divisors (see below), whose sum is σ = 23708160. Its totient is φ = 3950400.

The previous prime is 10206407. The next prime is 10206451. The reversal of 10206440 is 4460201.

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, 2876 + ... + 5355.

It is an arithmetic number, because the mean of its divisors is an integer number (740880).

Almost surely, 2^10206440 is an apocalyptic number.

10206440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10206440 is an abundant number, since it is smaller than the sum of its proper divisors (13501720).

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

10206440 is a wasteful number, since it uses less digits than its factorization.

10206440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8273 (or 8269 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 10206440 is about 3194.7519465523. The cubic root of 10206440 is about 216.9159209050.

Adding to 10206440 its reverse (4460201), we get a palindrome (14666641).

The spelling of 10206440 in words is "ten million, two hundred six thousand, four hundred forty".