42740207543572 has 72 divisors (see below), whose sum is σ = 94835922818112. Its totient is φ = 16496402334720.

The previous prime is 42740207543557. The next prime is 42740207543647. The reversal of 42740207543572 is 27534570204724.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58586893 + ... + 59311924.

It is an arithmetic number, because the mean of its divisors is an integer number (1317165594696).

Almost surely, 2^{42740207543572} is an apocalyptic number.

It is an amenable number.

42740207543572 is an abundant number, since it is smaller than the sum of its proper divisors (52095715274540).

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

42740207543572 is a wasteful number, since it uses less digits than its factorization.

42740207543572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117898957 (or 117898944 counting only the distinct ones).

The product of its (nonzero) digits is 13171200, while the sum is 52.

The spelling of 42740207543572 in words is "forty-two trillion, seven hundred forty billion, two hundred seven million, five hundred forty-three thousand, five hundred seventy-two".