404253340401342 has 16 divisors (see below), whose sum is σ = 808523116794000. Its totient is φ = 134748374135232.

The previous prime is 404253340401329. The next prime is 404253340401353. The reversal of 404253340401342 is 243104043352404.

It is a self number, because there is not a number n which added to its sum of digits gives 404253340401342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 684513217 + ... + 685103532.

It is an arithmetic number, because the mean of its divisors is an integer number (50532694799625).

Almost surely, 2^{404253340401342} is an apocalyptic number.

404253340401342 is an abundant number, since it is smaller than the sum of its proper divisors (404269776392658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404253340401342 is a wasteful number, since it uses less digits than its factorization.

404253340401342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1369665947.

The product of its (nonzero) digits is 552960, while the sum is 39.

Adding to 404253340401342 its reverse (243104043352404), we get a palindrome (647357383753746).

The spelling of 404253340401342 in words is "four hundred four trillion, two hundred fifty-three billion, three hundred forty million, four hundred one thousand, three hundred forty-two".