400425414 has 16 divisors (see below), whose sum is σ = 802571328. Its totient is φ = 133188392.

The previous prime is 400425407. The next prime is 400425457. The reversal of 400425414 is 414524004.

It is a happy number.

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, 68652 + ... + 74255.

It is an arithmetic number, because the mean of its divisors is an integer number (50160708).

Almost surely, 2^400425414 is an apocalyptic number.

400425414 is an abundant number, since it is smaller than the sum of its proper divisors (402145914).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

400425414 is a wasteful number, since it uses less digits than its factorization.

400425414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143379.

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 400425414 is about 20010.6325237360. The cubic root of 400425414 is about 737.0674136114.

Adding to 400425414 its reverse (414524004), we get a palindrome (814949418).

The spelling of 400425414 in words is "four hundred million, four hundred twenty-five thousand, four hundred fourteen".