404311020405545 has 16 divisors (see below), whose sum is σ = 537956600627520. Its totient is φ = 289223978827200.

The previous prime is 404311020405527. The next prime is 404311020405587. The reversal of 404311020405545 is 545504020113404.

It is not a de Polignac number, because 404311020405545 - 2²² = 404311016211241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 404311020405499 and 404311020405508.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60254992235 + ... + 60254998944.

It is an arithmetic number, because the mean of its divisors is an integer number (33622287539220).

Almost surely, 2^{404311020405545} is an apocalyptic number.

It is an amenable number.

404311020405545 is a deficient number, since it is larger than the sum of its proper divisors (133645580221975).

404311020405545 is a wasteful number, since it uses less digits than its factorization.

404311020405545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120509991256.

The product of its (nonzero) digits is 192000, while the sum is 38.

Adding to 404311020405545 its reverse (545504020113404), we get a palindrome (949815040518949).

The spelling of 404311020405545 in words is "four hundred four trillion, three hundred eleven billion, twenty million, four hundred five thousand, five hundred forty-five".