1118885040 has 240 divisors, whose sum is σ = 4624995648. Its totient is φ = 236058624.

The previous prime is 1118885029. The next prime is 1118885063. The reversal of 1118885040 is 405888111.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (240).

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 = 1118884986 and 1118885004.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 56982 + ... + 74058.

Almost surely, 2^1118885040 is an apocalyptic number.

1118885040 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 1118885040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2312497824).

1118885040 is an abundant number, since it is smaller than the sum of its proper divisors (3506110608).

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

1118885040 is a wasteful number, since it uses less digits than its factorization.

1118885040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17116 (or 17107 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 36.

The square root of 1118885040 is about 33449.7390124348. The cubic root of 1118885040 is about 1038.1540974291.

The spelling of 1118885040 in words is "one billion, one hundred eighteen million, eight hundred eighty-five thousand, forty".