408199404043 has 4 divisors (see below), whose sum is σ = 409641805048. Its totient is φ = 406757003040.

The previous prime is 408199404037. The next prime is 408199404061. The reversal of 408199404043 is 340404991804.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 408199404043 - 2⁹ = 408199403531 is a prime.

It is a super-2 number, since 2×408199404043² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 408199403984 and 408199404002.

It is not an unprimeable number, because it can be changed into a prime (408199404083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 721200078 + ... + 721200643.

It is an arithmetic number, because the mean of its divisors is an integer number (102410451262).

Almost surely, 2^408199404043 is an apocalyptic number.

408199404043 is a deficient number, since it is larger than the sum of its proper divisors (1442401005).

408199404043 is a wasteful number, since it uses less digits than its factorization.

408199404043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1442401004.

The product of its (nonzero) digits is 497664, while the sum is 46.

The spelling of 408199404043 in words is "four hundred eight billion, one hundred ninety-nine million, four hundred four thousand, forty-three".