199256040 has 96 divisors (see below), whose sum is σ = 681688800. Its totient is φ = 50336640.

The previous prime is 199256027. The next prime is 199256047. The reversal of 199256040 is 40652991.

199256040 is a `hidden beast` number, since 1 + 9 + 92 + 560 + 4 + 0 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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 = 199255986 and 199256004.

It is not an unprimeable number, because it can be changed into a prime (199256047) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7726 + ... + 21405.

It is an arithmetic number, because the mean of its divisors is an integer number (7100925).

Almost surely, 2^199256040 is an apocalyptic number.

199256040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

199256040 is an abundant number, since it is smaller than the sum of its proper divisors (482432760).

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

199256040 is a wasteful number, since it uses less digits than its factorization.

199256040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29167 (or 29160 counting only the distinct ones).

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

The square root of 199256040 is about 14115.8081596485. The cubic root of 199256040 is about 584.0775292705.

The spelling of 199256040 in words is "one hundred ninety-nine million, two hundred fifty-six thousand, forty".