42557487730 has 16 divisors (see below), whose sum is σ = 76622060160. Its totient is φ = 17018865712.

The previous prime is 42557487697. The next prime is 42557487767. The reversal of 42557487730 is 3778475524.

It is a super-3 number, since 3×42557487730³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 472714 + ... + 555493.

It is an arithmetic number, because the mean of its divisors is an integer number (4788878760).

Almost surely, 2^42557487730 is an apocalyptic number.

42557487730 is a deficient number, since it is larger than the sum of its proper divisors (34064572430).

42557487730 is a wasteful number, since it uses less digits than its factorization.

42557487730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032353.

The product of its (nonzero) digits is 6585600, while the sum is 52.

The spelling of 42557487730 in words is "forty-two billion, five hundred fifty-seven million, four hundred eighty-seven thousand, seven hundred thirty".