42718158420 has 48 divisors (see below), whose sum is σ = 136698108288. Its totient is φ = 9764150400.

The previous prime is 42718158407. The next prime is 42718158437. The reversal of 42718158420 is 2485181724.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50854531 + ... + 50855370.

It is an arithmetic number, because the mean of its divisors is an integer number (2847877256).

Almost surely, 2^42718158420 is an apocalyptic number.

It is an amenable number.

42718158420 is an abundant number, since it is smaller than the sum of its proper divisors (93979949868).

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

42718158420 is a wasteful number, since it uses less digits than its factorization.

42718158420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101709920 (or 101709918 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 42.

The spelling of 42718158420 in words is "forty-two billion, seven hundred eighteen million, one hundred fifty-eight thousand, four hundred twenty".