404554142442442 has 16 divisors (see below), whose sum is σ = 609886842048000. Its totient is φ = 201258549177840.

The previous prime is 404554142442407. The next prime is 404554142442449. The reversal of 404554142442442 is 244244241455404.

It is not an unprimeable number, because it can be changed into a prime (404554142442449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34228284 + ... + 44504872.

It is an arithmetic number, because the mean of its divisors is an integer number (38117927628000).

Almost surely, 2^{404554142442442} is an apocalyptic number.

404554142442442 is a deficient number, since it is larger than the sum of its proper divisors (205332699605558).

404554142442442 is a wasteful number, since it uses less digits than its factorization.

404554142442442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10375701.

The product of its (nonzero) digits is 13107200, while the sum is 49.

Adding to 404554142442442 its reverse (244244241455404), we get a palindrome (648798383897846).

The spelling of 404554142442442 in words is "four hundred four trillion, five hundred fifty-four billion, one hundred forty-two million, four hundred forty-two thousand, four hundred forty-two".