320226261036540 has 24 divisors (see below), whose sum is σ = 896633530902480. Its totient is φ = 85393669609728.

The previous prime is 320226261036509. The next prime is 320226261036557. The reversal of 320226261036540 is 45630162622023.

It is a junction number, because it is equal to n+sod(n) for n = 320226261036492 and 320226261036501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2668552175245 + ... + 2668552175364.

It is an arithmetic number, because the mean of its divisors is an integer number (37359730454270).

Almost surely, 2^{320226261036540} is an apocalyptic number.

320226261036540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

320226261036540 is an abundant number, since it is smaller than the sum of its proper divisors (576407269865940).

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

320226261036540 is a wasteful number, since it uses less digits than its factorization.

320226261036540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5337104350621 (or 5337104350619 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 42.

The spelling of 320226261036540 in words is "three hundred twenty trillion, two hundred twenty-six billion, two hundred sixty-one million, thirty-six thousand, five hundred forty".