11940912340 has 48 divisors (see below), whose sum is σ = 28665592704. Its totient is φ = 4092969600.

The previous prime is 11940912337. The next prime is 11940912407. The reversal of 11940912340 is 4321904911.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 11940912296 and 11940912305.

It is a congruent number.

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, 693030 + ... + 710050.

It is an arithmetic number, because the mean of its divisors is an integer number (597199848).

Almost surely, 2^11940912340 is an apocalyptic number.

11940912340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11940912340 is an abundant number, since it is smaller than the sum of its proper divisors (16724680364).

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

11940912340 is a wasteful number, since it uses less digits than its factorization.

11940912340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22048 (or 22046 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The spelling of 11940912340 in words is "eleven billion, nine hundred forty million, nine hundred twelve thousand, three hundred forty".