42540543611544 has 64 divisors (see below), whose sum is σ = 116020245127680. Its totient is φ = 12891009296000.

The previous prime is 42540543611539. The next prime is 42540543611581. The reversal of 42540543611544 is 44511634504524.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 42540543611493 and 42540543611502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96017809 + ... + 96459839.

It is an arithmetic number, because the mean of its divisors is an integer number (1812816330120).

Almost surely, 2^{42540543611544} is an apocalyptic number.

42540543611544 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42540543611544 is an abundant number, since it is smaller than the sum of its proper divisors (73479701516136).

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

42540543611544 is a wasteful number, since it uses less digits than its factorization.

42540543611544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806592 (or 806588 counting only the distinct ones).

The product of its (nonzero) digits is 4608000, while the sum is 48.

The spelling of 42540543611544 in words is "forty-two trillion, five hundred forty billion, five hundred forty-three million, six hundred eleven thousand, five hundred forty-four".