1040105356 has 24 divisors (see below), whose sum is σ = 2011050720. Its totient is φ = 468179712.

The previous prime is 1040105351. The next prime is 1040105369. The reversal of 1040105356 is 6535010401.

It is a self number, because there is not a number n which added to its sum of digits gives 1040105356.

It is not an unprimeable number, because it can be changed into a prime (1040105351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330951 + ... + 334078.

It is an arithmetic number, because the mean of its divisors is an integer number (83793780).

Almost surely, 2^1040105356 is an apocalyptic number.

It is an amenable number.

1040105356 is a deficient number, since it is larger than the sum of its proper divisors (970945364).

1040105356 is a wasteful number, since it uses less digits than its factorization.

1040105356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665073 (or 665071 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1040105356 is about 32250.6644272641. The cubic root of 1040105356 is about 1013.1936149798.

Adding to 1040105356 its reverse (6535010401), we get a palindrome (7575115757).

The spelling of 1040105356 in words is "one billion, forty million, one hundred five thousand, three hundred fifty-six".