400434014012 has 12 divisors (see below), whose sum is σ = 701822897160. Its totient is φ = 199913186256.

The previous prime is 400434013981. The next prime is 400434014023. The reversal of 400434014012 is 210410434004.

It is a happy number.

It is a super-2 number, since 2×400434014012² (a number of 24 digits) 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 (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75952223 + ... + 75957494.

It is an arithmetic number, because the mean of its divisors is an integer number (58485241430).

Almost surely, 2^400434014012 is an apocalyptic number.

It is an amenable number.

400434014012 is a deficient number, since it is larger than the sum of its proper divisors (301388883148).

400434014012 is a wasteful number, since it uses less digits than its factorization.

400434014012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151910380 (or 151910378 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 400434014012 its reverse (210410434004), we get a palindrome (610844448016).

The spelling of 400434014012 in words is "four hundred billion, four hundred thirty-four million, fourteen thousand, twelve".