10522262440 has 32 divisors (see below), whose sum is σ = 23773349160. Its totient is φ = 4191436800.

The previous prime is 10522262423. The next prime is 10522262459. The reversal of 10522262440 is 4426222501.

It can be written as a sum of positive squares in 4 ways, for example, as 10473066244 + 49196196 = 102338^2 + 7014^2 .

It is a super-2 number, since 2×10522262440² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10522262399 and 10522262408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 536121 + ... + 555400.

Almost surely, 2^10522262440 is an apocalyptic number.

10522262440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10522262440 is an abundant number, since it is smaller than the sum of its proper divisors (13251086720).

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

10522262440 is a wasteful number, since it uses less digits than its factorization.

10522262440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091773 (or 1091769 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 10522262440 its reverse (4426222501), we get a palindrome (14948484941).

The spelling of 10522262440 in words is "ten billion, five hundred twenty-two million, two hundred sixty-two thousand, four hundred forty".