404340453542 has 8 divisors (see below), whose sum is σ = 622902860976. Its totient is φ = 196706166552.

The previous prime is 404340453487. The next prime is 404340453551. The reversal of 404340453542 is 245354043404.

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

It is a junction number, because it is equal to n+sod(n) for n = 404340453496 and 404340453505.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2732030018 + ... + 2732030165.

It is an arithmetic number, because the mean of its divisors is an integer number (77862857622).

Almost surely, 2^404340453542 is an apocalyptic number.

404340453542 is a deficient number, since it is larger than the sum of its proper divisors (218562407434).

404340453542 is a wasteful number, since it uses less digits than its factorization.

404340453542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5464060222.

The product of its (nonzero) digits is 460800, while the sum is 38.

Adding to 404340453542 its reverse (245354043404), we get a palindrome (649694496946).

The spelling of 404340453542 in words is "four hundred four billion, three hundred forty million, four hundred fifty-three thousand, five hundred forty-two".