11397467440 has 80 divisors (see below), whose sum is σ = 27419959296. Its totient is φ = 4401273600.

The previous prime is 11397467413. The next prime is 11397467453. The reversal of 11397467440 is 4476479311.

11397467440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1063549 + ... + 1074211.

Almost surely, 2^11397467440 is an apocalyptic number.

11397467440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11397467440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13709979648).

11397467440 is an abundant number, since it is smaller than the sum of its proper divisors (16022491856).

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

11397467440 is a wasteful number, since it uses less digits than its factorization.

11397467440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11138 (or 11132 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 46.

The spelling of 11397467440 in words is "eleven billion, three hundred ninety-seven million, four hundred sixty-seven thousand, four hundred forty".