10530103440 has 40 divisors (see below), whose sum is σ = 32643321408. Its totient is φ = 2808027520.

The previous prime is 10530103429. The next prime is 10530103447. The reversal of 10530103440 is 4430103501.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×10530103440² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10530103447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21937476 + ... + 21937955.

Almost surely, 2^10530103440 is an apocalyptic number.

10530103440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10530103440 is an abundant number, since it is smaller than the sum of its proper divisors (22113217968).

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

10530103440 is a wasteful number, since it uses less digits than its factorization.

10530103440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43875447 (or 43875441 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 10530103440 its reverse (4430103501), we get a palindrome (14960206941).

The spelling of 10530103440 in words is "ten billion, five hundred thirty million, one hundred three thousand, four hundred forty".