4199940345 has 16 divisors (see below), whose sum is σ = 6720946560. Its totient is φ = 2239620864.

The previous prime is 4199940343. The next prime is 4199940383. The reversal of 4199940345 is 5430499914.

It is a happy number.

4199940345 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4199940345 - 2¹ = 4199940343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4199940294 and 4199940303.

It is not an unprimeable number, because it can be changed into a prime (4199940343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100417 + ... + 135953.

It is an arithmetic number, because the mean of its divisors is an integer number (420059160).

Almost surely, 2^4199940345 is an apocalyptic number.

It is an amenable number.

4199940345 is a deficient number, since it is larger than the sum of its proper divisors (2521006215).

4199940345 is a wasteful number, since it uses less digits than its factorization.

4199940345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43424.

The product of its (nonzero) digits is 699840, while the sum is 48.

The square root of 4199940345 is about 64806.9467341272. The cubic root of 4199940345 is about 1613.4210071720.

The spelling of 4199940345 in words is "four billion, one hundred ninety-nine million, nine hundred forty thousand, three hundred forty-five".