1023240315240 has 384 divisors, whose sum is σ = 3909649161600. Its totient is φ = 228816783360.

The previous prime is 1023240315233. The next prime is 1023240315241. The reversal of 1023240315240 is 425130423201.

1023240315240 is a `hidden beast` number, since 1 + 0 + 2 + 3 + 2 + 403 + 15 + 240 = 666.

It is not an unprimeable number, because it can be changed into a prime (1023240315241) 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 95 ways as a sum of consecutive naturals, for example, 83339982 + ... + 83352258.

It is an arithmetic number, because the mean of its divisors is an integer number (10181378025).

Almost surely, 2^{1023240315240} is an apocalyptic number.

1023240315240 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 1023240315240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1954824580800).

1023240315240 is an abundant number, since it is smaller than the sum of its proper divisors (2886408846360).

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

1023240315240 is a wasteful number, since it uses less digits than its factorization.

1023240315240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13937 (or 13930 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 1023240315240 its reverse (425130423201), we get a palindrome (1448370738441).

The spelling of 1023240315240 in words is "one trillion, twenty-three billion, two hundred forty million, three hundred fifteen thousand, two hundred forty".