400205150 has 12 divisors (see below), whose sum is σ = 744381672. Its totient is φ = 160082040.

The previous prime is 400205107. The next prime is 400205233. The reversal of 400205150 is 51502004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4002002 + ... + 4002101.

It is an arithmetic number, because the mean of its divisors is an integer number (62031806).

Almost surely, 2^400205150 is an apocalyptic number.

400205150 is a deficient number, since it is larger than the sum of its proper divisors (344176522).

400205150 is a wasteful number, since it uses less digits than its factorization.

400205150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8004115 (or 8004110 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 400205150 is about 20005.1280925667. The cubic root of 400205150 is about 736.9322413767.

Adding to 400205150 its reverse (51502004), we get a palindrome (451707154).

The spelling of 400205150 in words is "four hundred million, two hundred five thousand, one hundred fifty".