16243263262240 has 96 divisors (see below), whose sum is σ = 43999667800704. Its totient is φ = 5550978263040.

The previous prime is 16243263262159. The next prime is 16243263262271. The reversal of 16243263262240 is 4226236234261.

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, 23276541 + ... + 23964220.

It is an arithmetic number, because the mean of its divisors is an integer number (458329872924).

Almost surely, 2^{16243263262240} is an apocalyptic number.

16243263262240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16243263262240 is an abundant number, since it is smaller than the sum of its proper divisors (27756404538464).

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

16243263262240 is a wasteful number, since it uses less digits than its factorization.

16243263262240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47241090 (or 47241082 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 43.

The spelling of 16243263262240 in words is "sixteen trillion, two hundred forty-three billion, two hundred sixty-three million, two hundred sixty-two thousand, two hundred forty".