51532042423040 has 72 divisors (see below), whose sum is σ = 130696248090240. Its totient is φ = 19400298315776.

The previous prime is 51532042423021. The next prime is 51532042423111. The reversal of 51532042423040 is 4032424023515.

It is a happy 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, 1184078480 + ... + 1184121999.

It is an arithmetic number, because the mean of its divisors is an integer number (1815225667920).

Almost surely, 2^{51532042423040} is an apocalyptic number.

It is an amenable number.

51532042423040 is an abundant number, since it is smaller than the sum of its proper divisors (79164205667200).

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

51532042423040 is a wasteful number, since it uses less digits than its factorization.

51532042423040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2368200517 (or 2368200503 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 51532042423040 its reverse (4032424023515), we get a palindrome (55564466446555).

The spelling of 51532042423040 in words is "fifty-one trillion, five hundred thirty-two billion, forty-two million, four hundred twenty-three thousand, forty".