400480826 has 8 divisors (see below), whose sum is σ = 612055764. Its totient is φ = 196462240.

The previous prime is 400480793. The next prime is 400480831. The reversal of 400480826 is 628084004.

It can be written as a sum of positive squares in 2 ways, for example, as 396049801 + 4431025 = 19901^2 + 2105^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 400480792 and 400480801.

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, 1888955 + ... + 1889166.

Almost surely, 2^400480826 is an apocalyptic number.

400480826 is a deficient number, since it is larger than the sum of its proper divisors (211574938).

400480826 is a wasteful number, since it uses less digits than its factorization.

400480826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3778176.

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 400480826 is about 20012.0170397689. The cubic root of 400480826 is about 737.1014112001.

The spelling of 400480826 in words is "four hundred million, four hundred eighty thousand, eight hundred twenty-six".