11110040 has 16 divisors (see below), whose sum is σ = 24997680. Its totient is φ = 4444000.

The previous prime is 11110037. The next prime is 11110051. The reversal of 11110040 is 4001111.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138836 + ... + 138915.

It is an arithmetic number, because the mean of its divisors is an integer number (1562355).

Almost surely, 2^11110040 is an apocalyptic number.

11110040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11110040 is an abundant number, since it is smaller than the sum of its proper divisors (13887640).

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

11110040 is a wasteful number, since it uses less digits than its factorization.

11110040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277762 (or 277758 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 11110040 is about 3333.1726627944. The cubic root of 11110040 is about 223.1371460929.

Adding to 11110040 its reverse (4001111), we get a palindrome (15111151).

The spelling of 11110040 in words is "eleven million, one hundred ten thousand, forty".