11726736420 has 96 divisors (see below), whose sum is σ = 38736101376. Its totient is φ = 2593929600.

The previous prime is 11726736353. The next prime is 11726736479. The reversal of 11726736420 is 2463762711.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 437316 + ... + 463355.

It is an arithmetic number, because the mean of its divisors is an integer number (403501056).

Almost surely, 2^11726736420 is an apocalyptic number.

11726736420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11726736420 is an abundant number, since it is smaller than the sum of its proper divisors (27009364956).

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

11726736420 is a wasteful number, since it uses less digits than its factorization.

11726736420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900721 (or 900719 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 39.

The spelling of 11726736420 in words is "eleven billion, seven hundred twenty-six million, seven hundred thirty-six thousand, four hundred twenty".