199441724390 has 16 divisors (see below), whose sum is σ = 365079767760. Its totient is φ = 78424542240.

The previous prime is 199441724369. The next prime is 199441724393. The reversal of 199441724390 is 93427144991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199441724393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169017821 + ... + 169019000.

It is an arithmetic number, because the mean of its divisors is an integer number (22817485485).

Almost surely, 2^199441724390 is an apocalyptic number.

199441724390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

199441724390 is a deficient number, since it is larger than the sum of its proper divisors (165638043370).

199441724390 is a wasteful number, since it uses less digits than its factorization.

199441724390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338036887.

The product of its (nonzero) digits is 1959552, while the sum is 53.

The spelling of 199441724390 in words is "one hundred ninety-nine billion, four hundred forty-one million, seven hundred twenty-four thousand, three hundred ninety".