10408440 has 64 divisors (see below), whose sum is σ = 35688960. Its totient is φ = 2378880.

The previous prime is 10408439. The next prime is 10408469. The reversal of 10408440 is 4480401.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 5356 + ... + 7035.

It is an arithmetic number, because the mean of its divisors is an integer number (557640).

Almost surely, 2^10408440 is an apocalyptic number.

10408440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10408440 is an abundant number, since it is smaller than the sum of its proper divisors (25280520).

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

10408440 is a wasteful number, since it uses less digits than its factorization.

10408440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12412 (or 12408 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 10408440 is about 3226.2114003890. The cubic root of 10408440 is about 218.3376077998.

Adding to 10408440 its reverse (4480401), we get a palindrome (14888841).

The spelling of 10408440 in words is "ten million, four hundred eight thousand, four hundred forty".