3440421999 has 32 divisors (see below), whose sum is σ = 5870960640. Its totient is φ = 1950461856.

The previous prime is 3440421991. The next prime is 3440422001. The reversal of 3440421999 is 9991240443.

3440421999 is a `hidden beast` number, since 344 + 0 + 4 + 219 + 99 = 666.

3440421999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3440421999 - 2³ = 3440421991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3440421991) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47664 + ... + 95669.

It is an arithmetic number, because the mean of its divisors is an integer number (183467520).

Almost surely, 2^3440421999 is an apocalyptic number.

3440421999 is a deficient number, since it is larger than the sum of its proper divisors (2430538641).

3440421999 is a wasteful number, since it uses less digits than its factorization.

3440421999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143476 (or 143470 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 3440421999 is about 58655.1105957529. The cubic root of 3440421999 is about 1509.6301886651.

The spelling of 3440421999 in words is "three billion, four hundred forty million, four hundred twenty-one thousand, nine hundred ninety-nine".