42064544112540 has 96 divisors (see below), whose sum is σ = 118066284940800. Its totient is φ = 11190018067200.

The previous prime is 42064544112527. The next prime is 42064544112587. The reversal of 42064544112540 is 4521144546024.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 42064544112492 and 42064544112501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 969229761 + ... + 969273159.

It is an arithmetic number, because the mean of its divisors is an integer number (1229857134800).

Almost surely, 2^{42064544112540} is an apocalyptic number.

It is an amenable number.

42064544112540 is an abundant number, since it is smaller than the sum of its proper divisors (76001740828260).

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

42064544112540 is a wasteful number, since it uses less digits than its factorization.

42064544112540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82203 (or 82201 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 42.

Adding to 42064544112540 its reverse (4521144546024), we get a palindrome (46585688658564).

The spelling of 42064544112540 in words is "forty-two trillion, sixty-four billion, five hundred forty-four million, one hundred twelve thousand, five hundred forty".