426461436044440 has 64 divisors (see below), whose sum is σ = 960468425280000. Its totient is φ = 170419223103360.

The previous prime is 426461436044251. The next prime is 426461436044509. The reversal of 426461436044440 is 44440634164624.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 859416321 + ... + 859912399.

It is an arithmetic number, because the mean of its divisors is an integer number (15007319145000).

Almost surely, 2^{426461436044440} is an apocalyptic number.

426461436044440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

426461436044440 is an abundant number, since it is smaller than the sum of its proper divisors (534006989235560).

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

426461436044440 is a wasteful number, since it uses less digits than its factorization.

426461436044440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516880 (or 516876 counting only the distinct ones).

The product of its (nonzero) digits is 21233664, while the sum is 52.

The spelling of 426461436044440 in words is "four hundred twenty-six trillion, four hundred sixty-one billion, four hundred thirty-six million, forty-four thousand, four hundred forty".