42445115040 has 96 divisors (see below), whose sum is σ = 133744758336. Its totient is φ = 11315087360.

The previous prime is 42445115033. The next prime is 42445115087. The reversal of 42445115040 is 4051154424.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 42445114989 and 42445115007.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1712335 + ... + 1736945.

It is an arithmetic number, because the mean of its divisors is an integer number (1393174566).

Almost surely, 2^42445115040 is an apocalyptic number.

42445115040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42445115040 is an abundant number, since it is smaller than the sum of its proper divisors (91299643296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42445115040 is a wasteful number, since it uses less digits than its factorization.

42445115040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28222 (or 28214 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 42445115040 its reverse (4051154424), we get a palindrome (46496269464).

The spelling of 42445115040 in words is "forty-two billion, four hundred forty-five million, one hundred fifteen thousand, forty".