400445601703 has 4 divisors (see below), whose sum is σ = 457652116240. Its totient is φ = 343239087168.

The previous prime is 400445601697. The next prime is 400445601707. The reversal of 400445601703 is 307106544004.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 400445601703 - 2⁹ = 400445601191 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 (400445601707) 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, 28603257258 + ... + 28603257271.

It is an arithmetic number, because the mean of its divisors is an integer number (114413029060).

Almost surely, 2^400445601703 is an apocalyptic number.

400445601703 is a deficient number, since it is larger than the sum of its proper divisors (57206514537).

400445601703 is an equidigital number, since it uses as much as digits as its factorization.

400445601703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57206514536.

The product of its (nonzero) digits is 40320, while the sum is 34.

The spelling of 400445601703 in words is "four hundred billion, four hundred forty-five million, six hundred one thousand, seven hundred three".