11490005940 has 48 divisors (see below), whose sum is σ = 36768020352. Its totient is φ = 2626286976.

The previous prime is 11490005911. The next prime is 11490005941. The reversal of 11490005940 is 4950009411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11490005941) 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 15 ways as a sum of consecutive naturals, for example, 13678159 + ... + 13678998.

It is an arithmetic number, because the mean of its divisors is an integer number (766000424).

Almost surely, 2^11490005940 is an apocalyptic number.

11490005940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11490005940 is an abundant number, since it is smaller than the sum of its proper divisors (25278014412).

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

11490005940 is a wasteful number, since it uses less digits than its factorization.

11490005940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27357176 (or 27357174 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 33.

The spelling of 11490005940 in words is "eleven billion, four hundred ninety million, five thousand, nine hundred forty".