400024426 has 8 divisors (see below), whose sum is σ = 612803520. Its totient is φ = 195756588.

The previous prime is 400024409. The next prime is 400024447. The reversal of 400024426 is 624420004.

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

It is a junction number, because it is equal to n+sod(n) for n = 400024397 and 400024406.

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, 2127696 + ... + 2127883.

It is an arithmetic number, because the mean of its divisors is an integer number (76600440).

Almost surely, 2^400024426 is an apocalyptic number.

400024426 is a deficient number, since it is larger than the sum of its proper divisors (212779094).

400024426 is a wasteful number, since it uses less digits than its factorization.

400024426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4255628.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 400024426 is about 20000.6106406779. The cubic root of 400024426 is about 736.8212971150.

The spelling of 400024426 in words is "four hundred million, twenty-four thousand, four hundred twenty-six".