1116445540 has 24 divisors (see below), whose sum is σ = 2679469632. Its totient is φ = 382781280.

The previous prime is 1116445523. The next prime is 1116445541. The reversal of 1116445540 is 455446111.

It is not an unprimeable number, because it can be changed into a prime (1116445541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3987166 + ... + 3987445.

It is an arithmetic number, because the mean of its divisors is an integer number (111644568).

Almost surely, 2^1116445540 is an apocalyptic number.

1116445540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1116445540 is an abundant number, since it is smaller than the sum of its proper divisors (1563024092).

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

1116445540 is a wasteful number, since it uses less digits than its factorization.

1116445540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7974627 (or 7974625 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 1116445540 is about 33413.2539570752. The cubic root of 1116445540 is about 1037.3990541937.

The spelling of 1116445540 in words is "one billion, one hundred sixteen million, four hundred forty-five thousand, five hundred forty".