400413460 has 12 divisors (see below), whose sum is σ = 840868308. Its totient is φ = 160165376.

The previous prime is 400413451. The next prime is 400413487. The reversal of 400413460 is 64314004.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 47499664 + 352913796 = 6892^2 + 18786^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10010317 + ... + 10010356.

It is an arithmetic number, because the mean of its divisors is an integer number (70072359).

Almost surely, 2^400413460 is an apocalyptic number.

It is an amenable number.

400413460 is an abundant number, since it is smaller than the sum of its proper divisors (440454848).

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

400413460 is a wasteful number, since it uses less digits than its factorization.

400413460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20020682 (or 20020680 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 400413460 is about 20010.3338302988. Note that the first 3 decimals coincide. The cubic root of 400413460 is about 737.0600789191.

Adding to 400413460 its reverse (64314004), we get a palindrome (464727464).

The spelling of 400413460 in words is "four hundred million, four hundred thirteen thousand, four hundred sixty".