1938852550 has 24 divisors (see below), whose sum is σ = 3818400696. Its totient is φ = 729920640.

The previous prime is 1938852547. The next prime is 1938852613. The reversal of 1938852550 is 552588391.

It is a self number, because there is not a number n which added to its sum of digits gives 1938852550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1139652 + ... + 1141351.

It is an arithmetic number, because the mean of its divisors is an integer number (159100029).

Almost surely, 2^1938852550 is an apocalyptic number.

1938852550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1938852550 is a deficient number, since it is larger than the sum of its proper divisors (1879548146).

1938852550 is a wasteful number, since it uses less digits than its factorization.

1938852550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2281032 (or 2281027 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 46.

The square root of 1938852550 is about 44032.4034093076. The cubic root of 1938852550 is about 1246.9477638162.

The spelling of 1938852550 in words is "one billion, nine hundred thirty-eight million, eight hundred fifty-two thousand, five hundred fifty".