1240152442425 has 288 divisors, whose sum is σ = 2557510475520. Its totient is φ = 570011904000.

The previous prime is 1240152442393. The next prime is 1240152442429. The reversal of 1240152442425 is 5242442510421.

1240152442425 is a `hidden beast` number, since 1 + 2 + 40 + 152 + 4 + 42 + 425 = 666.

It is not a de Polignac number, because 1240152442425 - 2⁵ = 1240152442393 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1240152442425.

It is not an unprimeable number, because it can be changed into a prime (1240152442429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 375688275 + ... + 375691575.

Almost surely, 2^{1240152442425} is an apocalyptic number.

1240152442425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1240152442425 is an abundant number, since it is smaller than the sum of its proper divisors (1317358033095).

1240152442425 is a wasteful number, since it uses less digits than its factorization.

1240152442425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3505 (or 3497 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 36.

Adding to 1240152442425 its reverse (5242442510421), we get a palindrome (6482594952846).

The spelling of 1240152442425 in words is "one trillion, two hundred forty billion, one hundred fifty-two million, four hundred forty-two thousand, four hundred twenty-five".