250478426 has 8 divisors (see below), whose sum is σ = 409873824. Its totient is φ = 113853820.

The previous prime is 250478413. The next prime is 250478443. The reversal of 250478426 is 624874052.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 250478426.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5692670 + ... + 5692713.

It is an arithmetic number, because the mean of its divisors is an integer number (51234228).

Almost surely, 2^250478426 is an apocalyptic number.

250478426 is a deficient number, since it is larger than the sum of its proper divisors (159395398).

250478426 is a wasteful number, since it uses less digits than its factorization.

250478426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11385396.

The product of its (nonzero) digits is 107520, while the sum is 38.

The square root of 250478426 is about 15826.5102280951. The cubic root of 250478426 is about 630.3621215361.

The spelling of 250478426 in words is "two hundred fifty million, four hundred seventy-eight thousand, four hundred twenty-six".