42557872366 has 8 divisors (see below), whose sum is σ = 65321385624. Its totient is φ = 20784077160.

The previous prime is 42557872351. The next prime is 42557872393. The reversal of 42557872366 is 66327875524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×42557872366² (a number of 22 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 247429405 + ... + 247429576.

It is an arithmetic number, because the mean of its divisors is an integer number (8165173203).

Almost surely, 2^42557872366 is an apocalyptic number.

42557872366 is a deficient number, since it is larger than the sum of its proper divisors (22763513258).

42557872366 is a wasteful number, since it uses less digits than its factorization.

42557872366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494859026.

The product of its digits is 16934400, while the sum is 55.

The spelling of 42557872366 in words is "forty-two billion, five hundred fifty-seven million, eight hundred seventy-two thousand, three hundred sixty-six".