400321112 has 32 divisors (see below), whose sum is σ = 761149200. Its totient is φ = 197368704.

The previous prime is 400321091. The next prime is 400321121. The reversal of 400321112 is 211123004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173438 + ... + 175730.

Almost surely, 2^400321112 is an apocalyptic number.

It is an amenable number.

400321112 is a deficient number, since it is larger than the sum of its proper divisors (360828088).

400321112 is a wasteful number, since it uses less digits than its factorization.

400321112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2595 (or 2591 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 400321112 is about 20008.0261895070. The cubic root of 400321112 is about 737.0034114455.

Adding to 400321112 its reverse (211123004), we get a palindrome (611444116).

It can be divided in two parts, 40032 and 1112, that multiplied together give a square (44515584 = 6672²).

The spelling of 400321112 in words is "four hundred million, three hundred twenty-one thousand, one hundred twelve".