42540158220 has 96 divisors (see below), whose sum is σ = 136225689600. Its totient is φ = 9716523264.

The previous prime is 42540158209. The next prime is 42540158237. The reversal of 42540158220 is 2285104524.

It is a super-2 number, since 2×42540158220² (a number of 22 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 564741 + ... + 635619.

It is an arithmetic number, because the mean of its divisors is an integer number (1419017600).

Almost surely, 2^42540158220 is an apocalyptic number.

It is an amenable number.

42540158220 is an abundant number, since it is smaller than the sum of its proper divisors (93685531380).

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

42540158220 is a wasteful number, since it uses less digits than its factorization.

42540158220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72327 (or 72325 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 33.

The spelling of 42540158220 in words is "forty-two billion, five hundred forty million, one hundred fifty-eight thousand, two hundred twenty".