10521440331024 has 160 divisors (see below), whose sum is σ = 31669391600640. Its totient is φ = 2947728554496.

The previous prime is 10521440331011. The next prime is 10521440331043. The reversal of 10521440331024 is 42013304412501.

It is a super-2 number, since 2×10521440331024² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10521440330982 and 10521440331000.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7201687 + ... + 8538569.

It is an arithmetic number, because the mean of its divisors is an integer number (197933697504).

Almost surely, 2^{10521440331024} is an apocalyptic number.

10521440331024 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10521440331024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15834695800320).

10521440331024 is an abundant number, since it is smaller than the sum of its proper divisors (21147951269616).

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

10521440331024 is a wasteful number, since it uses less digits than its factorization.

10521440331024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1337357 (or 1337351 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 10521440331024 its reverse (42013304412501), we get a palindrome (52534744743525).

The spelling of 10521440331024 in words is "ten trillion, five hundred twenty-one billion, four hundred forty million, three hundred thirty-one thousand, twenty-four".