400803768071 has 4 divisors (see below), whose sum is σ = 458061449232. Its totient is φ = 343546086912.

The previous prime is 400803768067. The next prime is 400803768103. The reversal of 400803768071 is 170867308004.

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

It is not a de Polignac number, because 400803768071 - 2² = 400803768067 is a prime.

It is a super-3 number, since 3×400803768071³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400803764071) 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, 28628840570 + ... + 28628840583.

It is an arithmetic number, because the mean of its divisors is an integer number (114515362308).

Almost surely, 2^400803768071 is an apocalyptic number.

400803768071 is a deficient number, since it is larger than the sum of its proper divisors (57257681161).

400803768071 is an equidigital number, since it uses as much as digits as its factorization.

400803768071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57257681160.

The product of its (nonzero) digits is 225792, while the sum is 44.

The spelling of 400803768071 in words is "four hundred billion, eight hundred three million, seven hundred sixty-eight thousand, seventy-one".