42045215043 has 16 divisors (see below), whose sum is σ = 60377300480. Its totient is φ = 25871971104.

The previous prime is 42045214973. The next prime is 42045215053. The reversal of 42045215043 is 34051254024.

It is not a de Polignac number, because 42045215043 - 2⁹ = 42045214531 is a prime.

It is a super-2 number, since 2×42045215043² (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 42045215043.

It is not an unprimeable number, because it can be changed into a prime (42045215053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 586980 + ... + 654702.

It is an arithmetic number, because the mean of its divisors is an integer number (3773581280).

Almost surely, 2^42045215043 is an apocalyptic number.

42045215043 is a deficient number, since it is larger than the sum of its proper divisors (18332085437).

42045215043 is a wasteful number, since it uses less digits than its factorization.

42045215043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83658.

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 42045215043 its reverse (34051254024), we get a palindrome (76096469067).

The spelling of 42045215043 in words is "forty-two billion, forty-five million, two hundred fifteen thousand, forty-three".