1441540 has 12 divisors (see below), whose sum is σ = 3027276. Its totient is φ = 576608.

The previous prime is 1441529. The next prime is 1441543. The reversal of 1441540 is 451441.

It can be written as a sum of positive squares in 2 ways, for example, as 262144 + 1179396 = 512^2 + 1086^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1441543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36019 + ... + 36058.

It is an arithmetic number, because the mean of its divisors is an integer number (252273).

2^1441540 is an apocalyptic number.

1441540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1441540 is an abundant number, since it is smaller than the sum of its proper divisors (1585736).

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

1441540 is a wasteful number, since it uses less digits than its factorization.

1441540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72086 (or 72084 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 1441540 is about 1200.6414952016. The cubic root of 1441540 is about 112.9645645541.

Adding to 1441540 its reverse (451441), we get a palindrome (1892981).

Subtracting from 1441540 its reverse (451441), we obtain a palindrome (990099).

The spelling of 1441540 in words is "one million, four hundred forty-one thousand, five hundred forty".