42556441003 has 16 divisors (see below), whose sum is σ = 45843646464. Its totient is φ = 39360021120.

The previous prime is 42556440973. The next prime is 42556441013. The reversal of 42556441003 is 30014465524.

It is not a de Polignac number, because 42556441003 - 2²⁹ = 42019570091 is a prime.

It is a super-2 number, since 2×42556441003² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42556441003.

It is not an unprimeable number, because it can be changed into a prime (42556441013) by changing a digit.

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, 313126 + ... + 427972.

It is an arithmetic number, because the mean of its divisors is an integer number (2865227904).

Almost surely, 2^42556441003 is an apocalyptic number.

42556441003 is a deficient number, since it is larger than the sum of its proper divisors (3287205461).

42556441003 is a wasteful number, since it uses less digits than its factorization.

42556441003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115242.

The product of its (nonzero) digits is 57600, while the sum is 34.

The spelling of 42556441003 in words is "forty-two billion, five hundred fifty-six million, four hundred forty-one thousand, three".