400600425 has 12 divisors (see below), whose sum is σ = 662326160. Its totient is φ = 213653520.

The previous prime is 400600379. The next prime is 400600439. The reversal of 400600425 is 524006004.

It is a happy number.

It is not a de Polignac number, because 400600425 - 2¹⁹ = 400076137 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2670595 + ... + 2670744.

Almost surely, 2^400600425 is an apocalyptic number.

It is an amenable number.

400600425 is a deficient number, since it is larger than the sum of its proper divisors (261725735).

400600425 is a wasteful number, since it uses less digits than its factorization.

400600425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5341352 (or 5341347 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 400600425 is about 20015.0049962522. The cubic root of 400600425 is about 737.1747795212.

Adding to 400600425 its reverse (524006004), we get a palindrome (924606429).

The spelling of 400600425 in words is "four hundred million, six hundred thousand, four hundred twenty-five".