445782426 has 16 divisors (see below), whose sum is σ = 891869664. Its totient is φ = 148543344.

The previous prime is 445782383. The next prime is 445782431. The reversal of 445782426 is 624287544.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9225 + ... + 31251.

It is an arithmetic number, because the mean of its divisors is an integer number (55741854).

Almost surely, 2^445782426 is an apocalyptic number.

445782426 is an abundant number, since it is smaller than the sum of its proper divisors (446087238).

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

445782426 is a wasteful number, since it uses less digits than its factorization.

445782426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25405.

The product of its digits is 430080, while the sum is 42.

The square root of 445782426 is about 21113.5602398080. The cubic root of 445782426 is about 763.9078644500.

The spelling of 445782426 in words is "four hundred forty-five million, seven hundred eighty-two thousand, four hundred twenty-six".