390005550050 has 12 divisors (see below), whose sum is σ = 725410323186. Its totient is φ = 156002220000.

The previous prime is 390005549977. The next prime is 390005550083. The reversal of 390005550050 is 50055500093.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 228410393929 + 161595156121 = 477923^2 + 401989^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 390005549989 and 390005550016.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3900055451 + ... + 3900055550.

Almost surely, 2^390005550050 is an apocalyptic number.

390005550050 is a deficient number, since it is larger than the sum of its proper divisors (335404773136).

390005550050 is a wasteful number, since it uses less digits than its factorization.

390005550050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7800111013 (or 7800111008 counting only the distinct ones).

The product of its (nonzero) digits is 16875, while the sum is 32.

The spelling of 390005550050 in words is "three hundred ninety billion, five million, five hundred fifty thousand, fifty".