199340040 has 64 divisors (see below), whose sum is σ = 598973760. Its totient is φ = 53072640.

The previous prime is 199340033. The next prime is 199340059. The reversal of 199340040 is 40043991.

It is a hoax number, since the sum of its digits (30) 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 (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121707 + ... + 123333.

It is an arithmetic number, because the mean of its divisors is an integer number (9358965).

Almost surely, 2^199340040 is an apocalyptic number.

199340040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

199340040 is an abundant number, since it is smaller than the sum of its proper divisors (399633720).

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

199340040 is a wasteful number, since it uses less digits than its factorization.

199340040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2662 (or 2658 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 199340040 is about 14118.7832336926. The cubic root of 199340040 is about 584.1595939006.

The spelling of 199340040 in words is "one hundred ninety-nine million, three hundred forty thousand, forty".