400141850 has 12 divisors (see below), whose sum is σ = 744263934. Its totient is φ = 160056720.

The previous prime is 400141849. The next prime is 400141867. The reversal of 400141850 is 58141004.

It can be written as a sum of positive squares in 3 ways, for example, as 281266441 + 118875409 = 16771^2 + 10903^2 .

It is a super-2 number, since 2×400141850² = 320227000242845000, which contains 22 as substring.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 4001369 + ... + 4001468.

Almost surely, 2^400141850 is an apocalyptic number.

400141850 is a deficient number, since it is larger than the sum of its proper divisors (344122084).

400141850 is a wasteful number, since it uses less digits than its factorization.

400141850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8002849 (or 8002844 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 400141850 is about 20003.5459356585. The cubic root of 400141850 is about 736.8933860792.

Adding to 400141850 its reverse (58141004), we get a palindrome (458282854).

The spelling of 400141850 in words is "four hundred million, one hundred forty-one thousand, eight hundred fifty".