1906250940 has 108 divisors (see below), whose sum is σ = 6355817832. Its totient is φ = 462116160.

The previous prime is 1906250909. The next prime is 1906250959. The reversal of 1906250940 is 490526091.

1906250940 is a `hidden beast` number, since 1 + 90 + 62 + 509 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1906250895 and 1906250904.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 21982 + ... + 65541.

Almost surely, 2^1906250940 is an apocalyptic number.

1906250940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1906250940 is an abundant number, since it is smaller than the sum of its proper divisors (4449566892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1906250940 is a wasteful number, since it uses less digits than its factorization.

1906250940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87560 (or 87544 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 1906250940 is about 43660.6337562798. The cubic root of 1906250940 is about 1239.9191197680.

The spelling of 1906250940 in words is "one billion, nine hundred six million, two hundred fifty thousand, nine hundred forty".