1341500040 has 96 divisors (see below), whose sum is σ = 4369037400. Its totient is φ = 356981760.

The previous prime is 1341500023. The next prime is 1341500053. The reversal of 1341500040 is 400051431.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 812592036 + 528908004 = 28506^2 + 22998^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1341499986 and 1341500022.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 179580 + ... + 186900.

Almost surely, 2^1341500040 is an apocalyptic number.

1341500040 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 1341500040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2184518700).

1341500040 is an abundant number, since it is smaller than the sum of its proper divisors (3027537360).

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

1341500040 is a wasteful number, since it uses less digits than its factorization.

1341500040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7847 (or 7840 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1341500040 is about 36626.4936896777. The cubic root of 1341500040 is about 1102.8849998205.

Adding to 1341500040 its reverse (400051431), we get a palindrome (1741551471).

The spelling of 1341500040 in words is "one billion, three hundred forty-one million, five hundred thousand, forty".