1330250040 has 560 divisors, whose sum is σ = 5510687400. Its totient is φ = 288054144.

The previous prime is 1330250029. The next prime is 1330250041. The reversal of 1330250040 is 400520331.

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 = 1330249995 and 1330250022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330250041) by changing a digit.

It is a polite number, since it can be written in 139 ways as a sum of consecutive naturals, for example, 70013151 + ... + 70013169.

Almost surely, 2^1330250040 is an apocalyptic number.

1330250040 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 1330250040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2755343700).

1330250040 is an abundant number, since it is smaller than the sum of its proper divisors (4180437360).

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

1330250040 is an frugal number, since it uses more digits than its factorization.

1330250040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76 (or 36 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 1330250040 is about 36472.5929980307. The cubic root of 1330250040 is about 1099.7933606334.

Adding to 1330250040 its reverse (400520331), we get a palindrome (1730770371).

The spelling of 1330250040 in words is "one billion, three hundred thirty million, two hundred fifty thousand, forty".