142246000032440 has 32 divisors (see below), whose sum is σ = 320105601146880. Its totient is φ = 56889137599872.

The previous prime is 142246000032373. The next prime is 142246000032463. The reversal of 142246000032440 is 44230000642241.

It is a junction number, because it is equal to n+sod(n) for n = 142246000032397 and 142246000032406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289201619 + ... + 289693058.

It is an arithmetic number, because the mean of its divisors is an integer number (10003300035840).

Almost surely, 2^{142246000032440} is an apocalyptic number.

142246000032440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142246000032440 is an abundant number, since it is smaller than the sum of its proper divisors (177859601114440).

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

142246000032440 is a wasteful number, since it uses less digits than its factorization.

142246000032440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578900831 (or 578900827 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 142246000032440 its reverse (44230000642241), we get a palindrome (186476000674681).

The spelling of 142246000032440 in words is "one hundred forty-two trillion, two hundred forty-six billion, thirty-two thousand, four hundred forty".