404745056101 has 4 divisors (see below), whose sum is σ = 404746334892. Its totient is φ = 404743777312.

The previous prime is 404745056077. The next prime is 404745056113. The reversal of 404745056101 is 101650547404.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 50064062500 + 354680993601 = 223750^2 + 595551^2 .

It is a cyclic number.

It is not a de Polignac number, because 404745056101 - 2⁵ = 404745056069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404745056141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223875 + ... + 927151.

It is an arithmetic number, because the mean of its divisors is an integer number (101186583723).

Almost surely, 2^404745056101 is an apocalyptic number.

It is an amenable number.

404745056101 is a deficient number, since it is larger than the sum of its proper divisors (1278791).

404745056101 is an equidigital number, since it uses as much as digits as its factorization.

404745056101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1278790.

The product of its (nonzero) digits is 67200, while the sum is 37.

The spelling of 404745056101 in words is "four hundred four billion, seven hundred forty-five million, fifty-six thousand, one hundred one".