42556377601 has 8 divisors (see below), whose sum is σ = 44416330560. Its totient is φ = 40697230992.

The previous prime is 42556377587. The next prime is 42556377629. The reversal of 42556377601 is 10677365524.

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

It is a cyclic number.

It is not a de Polignac number, because 42556377601 - 2⁷ = 42556377473 is a prime.

It is a super-2 number, since 2×42556377601² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42556377641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92466 + ... + 306043.

It is an arithmetic number, because the mean of its divisors is an integer number (5552041320).

Almost surely, 2^42556377601 is an apocalyptic number.

It is an amenable number.

42556377601 is a deficient number, since it is larger than the sum of its proper divisors (1859952959).

42556377601 is a wasteful number, since it uses less digits than its factorization.

42556377601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403175.

The product of its (nonzero) digits is 1058400, while the sum is 46.

The spelling of 42556377601 in words is "forty-two billion, five hundred fifty-six million, three hundred seventy-seven thousand, six hundred one".