1650554404 has 6 divisors (see below), whose sum is σ = 2888470214. Its totient is φ = 825277200.

The previous prime is 1650554387. The next prime is 1650554407. The reversal of 1650554404 is 4044550561.

It can be written as a sum of positive squares in only one way, i.e., 1623928804 + 26625600 = 40298^2 + 5160^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1650554404.

It is not an unprimeable number, because it can be changed into a prime (1650554407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206319297 + ... + 206319304.

Almost surely, 2^1650554404 is an apocalyptic number.

It is an amenable number.

1650554404 is a deficient number, since it is larger than the sum of its proper divisors (1237915810).

1650554404 is a wasteful number, since it uses less digits than its factorization.

1650554404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412638605 (or 412638603 counting only the distinct ones).

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

The square root of 1650554404 is about 40627.0156915322. The cubic root of 1650554404 is about 1181.7980831662.

The spelling of 1650554404 in words is "one billion, six hundred fifty million, five hundred fifty-four thousand, four hundred four".