408991054143 has 12 divisors (see below), whose sum is σ = 634353471960. Its totient is φ = 233709173712.

The previous prime is 408991054139. The next prime is 408991054201. The reversal of 408991054143 is 341450199804.

It is a happy number.

It is not a de Polignac number, because 408991054143 - 2² = 408991054139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 408991054092 and 408991054101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408991054123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1391125888 + ... + 1391126181.

It is an arithmetic number, because the mean of its divisors is an integer number (52862789330).

Almost surely, 2^408991054143 is an apocalyptic number.

408991054143 is a deficient number, since it is larger than the sum of its proper divisors (225362417817).

408991054143 is a wasteful number, since it uses less digits than its factorization.

408991054143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2782252086 (or 2782252079 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 48.

The spelling of 408991054143 in words is "four hundred eight billion, nine hundred ninety-one million, fifty-four thousand, one hundred forty-three".