400411112 has 8 divisors (see below), whose sum is σ = 750770850. Its totient is φ = 200205552.

The previous prime is 400411087. The next prime is 400411129. The reversal of 400411112 is 211114004.

It can be written as a sum of positive squares in only one way, i.e., 218862436 + 181548676 = 14794^2 + 13474^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×400411112² = 320658117226153088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25025687 + ... + 25025702.

Almost surely, 2^400411112 is an apocalyptic number.

It is an amenable number.

400411112 is a deficient number, since it is larger than the sum of its proper divisors (350359738).

400411112 is a wasteful number, since it uses less digits than its factorization.

400411112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50051395 (or 50051391 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 400411112 is about 20010.2751605269. The cubic root of 400411112 is about 737.0586382246.

Adding to 400411112 its reverse (211114004), we get a palindrome (611525116).

The spelling of 400411112 in words is "four hundred million, four hundred eleven thousand, one hundred twelve".