1118094040 has 32 divisors (see below), whose sum is σ = 2875099680. Its totient is φ = 383346432.

The previous prime is 1118094023. The next prime is 1118094049. The reversal of 1118094040 is 404908111.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1118094049) 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, 1996317 + ... + 1996876.

It is an arithmetic number, because the mean of its divisors is an integer number (89846865).

Almost surely, 2^1118094040 is an apocalyptic number.

1118094040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1118094040 is an abundant number, since it is smaller than the sum of its proper divisors (1757005640).

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

1118094040 is a wasteful number, since it uses less digits than its factorization.

1118094040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3993211 (or 3993207 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 1118094040 is about 33437.9132124001. The cubic root of 1118094040 is about 1037.9093974377.

The spelling of 1118094040 in words is "one billion, one hundred eighteen million, ninety-four thousand, forty".