11409927540 has 96 divisors (see below), whose sum is σ = 35794168704. Its totient is φ = 2691279360.

The previous prime is 11409927539. The next prime is 11409927547. The reversal of 11409927540 is 4572990411.

It is a junction number, because it is equal to n+sod(n) for n = 11409927492 and 11409927501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11409927547) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 209199 + ... + 258038.

It is an arithmetic number, because the mean of its divisors is an integer number (372855924).

Almost surely, 2^11409927540 is an apocalyptic number.

11409927540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11409927540 is an abundant number, since it is smaller than the sum of its proper divisors (24384241164).

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

11409927540 is a wasteful number, since it uses less digits than its factorization.

11409927540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467297 (or 467295 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The spelling of 11409927540 in words is "eleven billion, four hundred nine million, nine hundred twenty-seven thousand, five hundred forty".