400414612 has 12 divisors (see below), whose sum is σ = 754627636. Its totient is φ = 184806720.

The previous prime is 400414589. The next prime is 400414639. The reversal of 400414612 is 216414004.

It can be written as a sum of positive squares in 2 ways, for example, as 81649296 + 318765316 = 9036^2 + 17854^2 .

It is a super-2 number, since 2×400414612² = 320663723006221088, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3850089 + ... + 3850192.

Almost surely, 2^400414612 is an apocalyptic number.

It is an amenable number.

400414612 is a deficient number, since it is larger than the sum of its proper divisors (354213024).

400414612 is a wasteful number, since it uses less digits than its factorization.

400414612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7700298 (or 7700296 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 400414612 is about 20010.3626154050. The cubic root of 400414612 is about 737.0607857655.

Adding to 400414612 its reverse (216414004), we get a palindrome (616828616).

The spelling of 400414612 in words is "four hundred million, four hundred fourteen thousand, six hundred twelve".