1112445540 has 144 divisors (see below), whose sum is σ = 3532279296. Its totient is φ = 283046400.

The previous prime is 1112445517. The next prime is 1112445547. The reversal of 1112445540 is 455442111.

1112445540 is a `hidden beast` number, since 1 + 112 + 4 + 4 + 5 + 540 = 666.

It is not an unprimeable number, because it can be changed into a prime (1112445547) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 405975 + ... + 408705.

Almost surely, 2^1112445540 is an apocalyptic number.

1112445540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1112445540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1766139648).

1112445540 is an abundant number, since it is smaller than the sum of its proper divisors (2419833756).

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

1112445540 is a wasteful number, since it uses less digits than its factorization.

1112445540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2850 (or 2845 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 1112445540 is about 33353.3437604088. The cubic root of 1112445540 is about 1036.1586408525.

Adding to 1112445540 its reverse (455442111), we get a palindrome (1567887651).

The spelling of 1112445540 in words is "one billion, one hundred twelve million, four hundred forty-five thousand, five hundred forty".