10521622240 has 48 divisors (see below), whose sum is σ = 25714493280. Its totient is φ = 4063521280.

The previous prime is 10521622217. The next prime is 10521622291. The reversal of 10521622240 is 4222612501.

It is a super-2 number, since 2×10521622240² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1129156 + ... + 1138435.

It is an arithmetic number, because the mean of its divisors is an integer number (535718610).

Almost surely, 2^10521622240 is an apocalyptic number.

10521622240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10521622240 is an abundant number, since it is smaller than the sum of its proper divisors (15192871040).

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

10521622240 is a wasteful number, since it uses less digits than its factorization.

10521622240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2267635 (or 2267627 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The spelling of 10521622240 in words is "ten billion, five hundred twenty-one million, six hundred twenty-two thousand, two hundred forty".