1142510532440 has 64 divisors (see below), whose sum is σ = 2618044752960. Its totient is φ = 448633507840.

The previous prime is 1142510532413. The next prime is 1142510532463. The reversal of 1142510532440 is 442350152411.

It is a junction number, because it is equal to n+sod(n) for n = 1142510532397 and 1142510532406.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 201569 + ... + 1525008.

It is an arithmetic number, because the mean of its divisors is an integer number (40906949265).

Almost surely, 2^{1142510532440} is an apocalyptic number.

1142510532440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1142510532440 is an abundant number, since it is smaller than the sum of its proper divisors (1475534220520).

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

1142510532440 is a wasteful number, since it uses less digits than its factorization.

1142510532440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1726892 (or 1726888 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 1142510532440 its reverse (442350152411), we get a palindrome (1584860684851).

The spelling of 1142510532440 in words is "one trillion, one hundred forty-two billion, five hundred ten million, five hundred thirty-two thousand, four hundred forty".