1235250240 has 224 divisors, whose sum is σ = 4578729984. Its totient is φ = 276264960.

The previous prime is 1235250187. The next prime is 1235250271. The reversal of 1235250240 is 420525321.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1235250240.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 313885 + ... + 317795.

Almost surely, 2^1235250240 is an apocalyptic number.

1235250240 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 1235250240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2289364992).

1235250240 is an abundant number, since it is smaller than the sum of its proper divisors (3343479744).

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

1235250240 is a wasteful number, since it uses less digits than its factorization.

1235250240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3985 (or 3975 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 1235250240 is about 35146.1269558966. The cubic root of 1235250240 is about 1072.9635837457.

Adding to 1235250240 its reverse (420525321), we get a palindrome (1655775561).

The spelling of 1235250240 in words is "one billion, two hundred thirty-five million, two hundred fifty thousand, two hundred forty".