10503040446 has 80 divisors (see below), whose sum is σ = 24207366480. Its totient is φ = 3401222400.

The previous prime is 10503040439. The next prime is 10503040447. The reversal of 10503040446 is 64404030501.

It is a super-2 number, since 2×10503040446² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10503040447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7198065 + ... + 7199523.

It is an arithmetic number, because the mean of its divisors is an integer number (302592081).

Almost surely, 2^10503040446 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10503040446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12103683240).

10503040446 is an abundant number, since it is smaller than the sum of its proper divisors (13704326034).

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

10503040446 is a wasteful number, since it uses less digits than its factorization.

10503040446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2711 (or 2702 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 10503040446 its reverse (64404030501), we get a palindrome (74907070947).

The spelling of 10503040446 in words is "ten billion, five hundred three million, forty thousand, four hundred forty-six".