1341404040 has 128 divisors (see below), whose sum is σ = 4284264960. Its totient is φ = 334823424.

The previous prime is 1341404039. The next prime is 1341404041. The reversal of 1341404040 is 404041431.

It is an interprime number because it is at equal distance from previous prime (1341404039) and next prime (1341404041).

It is a junction number, because it is equal to n+sod(n) for n = 1341403998 and 1341404016.

It is not an unprimeable number, because it can be changed into a prime (1341404041) 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, 392017 + ... + 395423.

It is an arithmetic number, because the mean of its divisors is an integer number (33470820).

Almost surely, 2^1341404040 is an apocalyptic number.

1341404040 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 1341404040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2142132480).

1341404040 is an abundant number, since it is smaller than the sum of its proper divisors (2942860920).

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

1341404040 is a wasteful number, since it uses less digits than its factorization.

1341404040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3631 (or 3627 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1341404040 is about 36625.1831394739. The cubic root of 1341404040 is about 1102.8586910908.

Adding to 1341404040 its reverse (404041431), we get a palindrome (1745445471).

The spelling of 1341404040 in words is "one billion, three hundred forty-one million, four hundred four thousand, forty".