10605778450 has 48 divisors (see below), whose sum is σ = 20008485000. Its totient is φ = 4182013440.

The previous prime is 10605778433. The next prime is 10605778451. The reversal of 10605778450 is 5487750601.

It can be written as a sum of positive squares in 12 ways, for example, as 541074121 + 10064704329 = 23261^2 + 100323^2 .

It is a super-2 number, since 2×10605778450² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10605778397 and 10605778406.

It is not an unprimeable number, because it can be changed into a prime (10605778451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1549636 + ... + 1556464.

Almost surely, 2^10605778450 is an apocalyptic number.

10605778450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10605778450 is a deficient number, since it is larger than the sum of its proper divisors (9402706550).

10605778450 is a wasteful number, since it uses less digits than its factorization.

10605778450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7279 (or 7274 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 43.

The spelling of 10605778450 in words is "ten billion, six hundred five million, seven hundred seventy-eight thousand, four hundred fifty".