408046688047 has 4 divisors (see below), whose sum is σ = 408154270720. Its totient is φ = 407939105376.

The previous prime is 408046688033. The next prime is 408046688051. The reversal of 408046688047 is 740886640804.

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 408046688047 - 2¹¹ = 408046685999 is a prime.

It is a super-2 number, since 2×408046688047² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408046688017) 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, 53785647 + ... + 53793232.

It is an arithmetic number, because the mean of its divisors is an integer number (102038567680).

Almost surely, 2^408046688047 is an apocalyptic number.

408046688047 is a deficient number, since it is larger than the sum of its proper divisors (107582673).

408046688047 is a wasteful number, since it uses less digits than its factorization.

408046688047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107582672.

The product of its (nonzero) digits is 8257536, while the sum is 55.

The spelling of 408046688047 in words is "four hundred eight billion, forty-six million, six hundred eighty-eight thousand, forty-seven".