1918050928 has 20 divisors (see below), whose sum is σ = 3716902728. Its totient is φ = 958850240.

The previous prime is 1918050919. The next prime is 1918050943. The reversal of 1918050928 is 8290508191.

It is a super-2 number, since 2×1918050928² = 7357838724803322368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 165450 + ... + 176662.

Almost surely, 2^1918050928 is an apocalyptic number.

It is an amenable number.

1918050928 is a deficient number, since it is larger than the sum of its proper divisors (1798851800).

1918050928 is a wasteful number, since it uses less digits than its factorization.

1918050928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21912 (or 21906 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 43.

The square root of 1918050928 is about 43795.5583136007. The cubic root of 1918050928 is about 1242.4722891636.

The spelling of 1918050928 in words is "one billion, nine hundred eighteen million, fifty thousand, nine hundred twenty-eight".