1045556404 has 12 divisors (see below), whose sum is σ = 1848587524. Its totient is φ = 517388544.

The previous prime is 1045556359. The next prime is 1045556411. The reversal of 1045556404 is 4046555401.

It can be written as a sum of positive squares in 2 ways, for example, as 540655504 + 504900900 = 23252^2 + 22470^2 .

It is a super-2 number, since 2×1045556404² = 2186376387890822432, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1045556404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1346979 + ... + 1347754.

Almost surely, 2^1045556404 is an apocalyptic number.

It is an amenable number.

1045556404 is a deficient number, since it is larger than the sum of its proper divisors (803031120).

1045556404 is a wasteful number, since it uses less digits than its factorization.

1045556404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2694834 (or 2694832 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

The square root of 1045556404 is about 32335.0646203158. The cubic root of 1045556404 is about 1014.9605342708.

The spelling of 1045556404 in words is "one billion, forty-five million, five hundred fifty-six thousand, four hundred four".