400201412 has 12 divisors (see below), whose sum is σ = 754225836. Its totient is φ = 184708320.

The previous prime is 400201409. The next prime is 400201423. The reversal of 400201412 is 214102004.

It can be written as a sum of positive squares in 2 ways, for example, as 236975236 + 163226176 = 15394^2 + 12776^2 .

It is a super-2 number, since 2×400201412² = 320322340333587488, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3848039 + ... + 3848142.

It is an arithmetic number, because the mean of its divisors is an integer number (62852153).

Almost surely, 2^400201412 is an apocalyptic number.

It is an amenable number.

400201412 is a deficient number, since it is larger than the sum of its proper divisors (354024424).

400201412 is a wasteful number, since it uses less digits than its factorization.

400201412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7696198 (or 7696196 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 400201412 is about 20005.0346663034. The cubic root of 400201412 is about 736.9299470024.

Adding to 400201412 its reverse (214102004), we get a palindrome (614303416).

The spelling of 400201412 in words is "four hundred million, two hundred one thousand, four hundred twelve".