400733740773 has 20 divisors (see below), whose sum is σ = 599664497740. Its totient is φ = 266692787712.

The previous prime is 400733740751. The next prime is 400733740811. The reversal of 400733740773 is 377047337004.

It can be written as a sum of positive squares in 2 ways, for example, as 248045833764 + 152687907009 = 498042^2 + 390753^2 .

It is not a de Polignac number, because 400733740773 - 2⁹ = 400733740261 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 (400733740723) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4240378 + ... + 4333851.

It is an arithmetic number, because the mean of its divisors is an integer number (29983224887).

Almost surely, 2^400733740773 is an apocalyptic number.

It is an amenable number.

400733740773 is a deficient number, since it is larger than the sum of its proper divisors (198930756967).

400733740773 is an equidigital number, since it uses as much as digits as its factorization.

400733740773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8574818 (or 8574809 counting only the distinct ones).

The product of its (nonzero) digits is 1037232, while the sum is 45.

The spelling of 400733740773 in words is "four hundred billion, seven hundred thirty-three million, seven hundred forty thousand, seven hundred seventy-three".