400140341000 has 32 divisors (see below), whose sum is σ = 936328400280. Its totient is φ = 160056136000.

The previous prime is 400140340987. The next prime is 400140341009. The reversal of 400140341000 is 143041004.

It can be written as a sum of positive squares in 4 ways, for example, as 204707382916 + 195432958084 = 452446^2 + 442078^2 .

It is a super-2 number, since 2×400140341000² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 400140341000.

It is not an unprimeable number, because it can be changed into a prime (400140341009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200069171 + ... + 200071170.

Almost surely, 2^400140341000 is an apocalyptic number.

400140341000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

400140341000 is an abundant number, since it is smaller than the sum of its proper divisors (536188059280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

400140341000 is a wasteful number, since it uses less digits than its factorization.

400140341000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400140362 (or 400140348 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 400140341000 its reverse (143041004), we get a palindrome (400283382004).

The spelling of 400140341000 in words is "four hundred billion, one hundred forty million, three hundred forty-one thousand".