10285040 has 20 divisors (see below), whose sum is σ = 23912904. Its totient is φ = 4113984.

The previous prime is 10285039. The next prime is 10285073. The reversal of 10285040 is 4058201.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 64202 + ... + 64361.

Almost surely, 2^10285040 is an apocalyptic number.

10285040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10285040 is an abundant number, since it is smaller than the sum of its proper divisors (13627864).

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

10285040 is a wasteful number, since it uses less digits than its factorization.

10285040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128576 (or 128570 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 10285040 is about 3207.0297784710. The cubic root of 10285040 is about 217.4713222418.

The spelling of 10285040 in words is "ten million, two hundred eighty-five thousand, forty".