400085833445 has 8 divisors (see below), whose sum is σ = 480160775544. Its totient is φ = 320030149824.

The previous prime is 400085833403. The next prime is 400085833471. The reversal of 400085833445 is 544338580004.

It can be written as a sum of positive squares in 4 ways, for example, as 147743371876 + 252342461569 = 384374^2 + 502337^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 400085833445 - 2²² = 400081639141 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 400085833396 and 400085833405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4768874 + ... + 4852043.

It is an arithmetic number, because the mean of its divisors is an integer number (60020096943).

Almost surely, 2^400085833445 is an apocalyptic number.

It is an amenable number.

400085833445 is a deficient number, since it is larger than the sum of its proper divisors (80074942099).

400085833445 is an equidigital number, since it uses as much as digits as its factorization.

400085833445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9629239.

The product of its (nonzero) digits is 921600, while the sum is 44.

The spelling of 400085833445 in words is "four hundred billion, eighty-five million, eight hundred thirty-three thousand, four hundred forty-five".