1418040 has 128 divisors (see below), whose sum is σ = 5140800. Its totient is φ = 345600.

The previous prime is 1418023. The next prime is 1418047. The reversal of 1418040 is 408141.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1418047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13990 + ... + 14090.

2^1418040 is an apocalyptic number.

1418040 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 1418040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2570400).

1418040 is an abundant number, since it is smaller than the sum of its proper divisors (3722760).

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

1418040 is a wasteful number, since it uses less digits than its factorization.

1418040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 1418040 is about 1190.8148470690. The cubic root of 1418040 is about 112.3473485161.

The spelling of 1418040 in words is "one million, four hundred eighteen thousand, forty".