1550200004 has 12 divisors (see below), whose sum is σ = 2715776700. Its totient is φ = 774263808.

The previous prime is 1550199997. The next prime is 1550200019. The reversal of 1550200004 is 4000020551.

It can be written as a sum of positive squares in 2 ways, for example, as 673921600 + 876278404 = 25960^2 + 29602^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204869 + ... + 212300.

It is an arithmetic number, because the mean of its divisors is an integer number (226314725).

Almost surely, 2^1550200004 is an apocalyptic number.

It is an amenable number.

1550200004 is a deficient number, since it is larger than the sum of its proper divisors (1165576696).

1550200004 is a wasteful number, since it uses less digits than its factorization.

1550200004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418102 (or 418100 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 1550200004 is about 39372.5793414656. The cubic root of 1550200004 is about 1157.3443022263.

Adding to 1550200004 its reverse (4000020551), we get a palindrome (5550220555).

The spelling of 1550200004 in words is "one billion, five hundred fifty million, two hundred thousand, four".