10340521512 has 64 divisors (see below), whose sum is σ = 26455680000. Its totient is φ = 3366559680.

The previous prime is 10340521511. The next prime is 10340521519. The reversal of 10340521512 is 21512504301.

It is a happy number.

It is a super-2 number, since 2×10340521512² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (10340521511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 553687 + ... + 572057.

It is an arithmetic number, because the mean of its divisors is an integer number (413370000).

Almost surely, 2^10340521512 is an apocalyptic number.

10340521512 is a gapful number since it is divisible by the number (12) 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 10340521512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13227840000).

10340521512 is an abundant number, since it is smaller than the sum of its proper divisors (16115158488).

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

10340521512 is a wasteful number, since it uses less digits than its factorization.

10340521512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18926 (or 18922 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The spelling of 10340521512 in words is "ten billion, three hundred forty million, five hundred twenty-one thousand, five hundred twelve".