11734573240 has 32 divisors (see below), whose sum is σ = 28433774880. Its totient is φ = 4332765312.

The previous prime is 11734573229. The next prime is 11734573241. The reversal of 11734573240 is 4237543711.

It is a self number, because there is not a number n which added to its sum of digits gives 11734573240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11734573241) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 11282724 + ... + 11283763.

It is an arithmetic number, because the mean of its divisors is an integer number (888555465).

Almost surely, 2^11734573240 is an apocalyptic number.

11734573240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11734573240 is an abundant number, since it is smaller than the sum of its proper divisors (16699201640).

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

11734573240 is a wasteful number, since it uses less digits than its factorization.

11734573240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22566511 (or 22566507 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 37.

The spelling of 11734573240 in words is "eleven billion, seven hundred thirty-four million, five hundred seventy-three thousand, two hundred forty".