400620364 has 12 divisors (see below), whose sum is σ = 701817424. Its totient is φ = 200101104.

The previous prime is 400620361. The next prime is 400620383. The reversal of 400620364 is 463026004.

It is not an unprimeable number, because it can be changed into a prime (400620361) 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 3 ways as a sum of consecutive naturals, for example, 47919 + ... + 55654.

Almost surely, 2^400620364 is an apocalyptic number.

It is an amenable number.

400620364 is a deficient number, since it is larger than the sum of its proper divisors (301197060).

400620364 is a wasteful number, since it uses less digits than its factorization.

400620364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104544 (or 104542 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 400620364 is about 20015.5030913540. The cubic root of 400620364 is about 737.1870097330.

Adding to 400620364 its reverse (463026004), we get a palindrome (863646368).

The spelling of 400620364 in words is "four hundred million, six hundred twenty thousand, three hundred sixty-four".