426821780370 has 32 divisors (see below), whose sum is σ = 1078286604480. Its totient is φ = 107828660160.

The previous prime is 426821780347. The next prime is 426821780417. The reversal of 426821780370 is 73087128624.

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 15 ways as a sum of consecutive naturals, for example, 374404501 + ... + 374405640.

It is an arithmetic number, because the mean of its divisors is an integer number (33696456390).

Almost surely, 2^426821780370 is an apocalyptic number.

426821780370 is an abundant number, since it is smaller than the sum of its proper divisors (651464824110).

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

426821780370 is a wasteful number, since it uses less digits than its factorization.

426821780370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748810170.

The product of its (nonzero) digits is 903168, while the sum is 48.

The spelling of 426821780370 in words is "four hundred twenty-six billion, eight hundred twenty-one million, seven hundred eighty thousand, three hundred seventy".