10530451840 has 32 divisors (see below), whose sum is σ = 25174362960. Its totient is φ = 4212180480.

The previous prime is 10530451829. The next prime is 10530451843. The reversal of 10530451840 is 4815403501.

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

It is a super-2 number, since 2×10530451840² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10530451843) 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, 8226276 + ... + 8227555.

Almost surely, 2^10530451840 is an apocalyptic number.

10530451840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10530451840 is an abundant number, since it is smaller than the sum of its proper divisors (14643911120).

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

10530451840 is an equidigital number, since it uses as much as digits as its factorization.

10530451840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16453850 (or 16453838 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

The spelling of 10530451840 in words is "ten billion, five hundred thirty million, four hundred fifty-one thousand, eight hundred forty".