408493145846 has 8 divisors (see below), whose sum is σ = 612742794984. Its totient is φ = 204245547520.

The previous prime is 408493145833. The next prime is 408493145849. The reversal of 408493145846 is 648541394804.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×408493145846² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 408493145791 and 408493145800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408493145849) 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, 163781 + ... + 918591.

It is an arithmetic number, because the mean of its divisors is an integer number (76592849373).

Almost surely, 2^408493145846 is an apocalyptic number.

408493145846 is a deficient number, since it is larger than the sum of its proper divisors (204249649138).

408493145846 is a wasteful number, since it uses less digits than its factorization.

408493145846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025406.

The product of its (nonzero) digits is 13271040, while the sum is 56.

The spelling of 408493145846 in words is "four hundred eight billion, four hundred ninety-three million, one hundred forty-five thousand, eight hundred forty-six".