10503040 has 32 divisors (see below), whose sum is σ = 25110360. Its totient is φ = 4200960.

The previous prime is 10503023. The next prime is 10503047. The reversal of 10503040 is 4030501.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×10503040² = 220627698483200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10503040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10503047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7566 + ... + 8845.

Almost surely, 2^10503040 is an apocalyptic number.

10503040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10503040 is an abundant number, since it is smaller than the sum of its proper divisors (14607320).

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

10503040 is an equidigital number, since it uses as much as digits as its factorization.

10503040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16430 (or 16418 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 10503040 is about 3240.8393974401. The cubic root of 10503040 is about 218.9970878730.

Adding to 10503040 its reverse (4030501), we get a palindrome (14533541).

The spelling of 10503040 in words is "ten million, five hundred three thousand, forty".