11280335940 has 96 divisors (see below), whose sum is σ = 35669800320. Its totient is φ = 2958768000.

The previous prime is 11280335933. The next prime is 11280335951. The reversal of 11280335940 is 4953308211.

11280335940 is a `hidden beast` number, since 1 + 1 + 280 + 335 + 9 + 40 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 11280335895 and 11280335904.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138286 + ... + 204165.

It is an arithmetic number, because the mean of its divisors is an integer number (371560420).

Almost surely, 2^11280335940 is an apocalyptic number.

11280335940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11280335940 is an abundant number, since it is smaller than the sum of its proper divisors (24389464380).

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

11280335940 is a wasteful number, since it uses less digits than its factorization.

11280335940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342530 (or 342522 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 11280335940 in words is "eleven billion, two hundred eighty million, three hundred thirty-five thousand, nine hundred forty".