42144314440 has 64 divisors (see below), whose sum is σ = 101396882160. Its totient is φ = 15708979200.

The previous prime is 42144314419. The next prime is 42144314453. The reversal of 42144314440 is 4441344124.

It can be written as a sum of positive squares in 8 ways, for example, as 23111904676 + 19032409764 = 152026^2 + 137958^2 .

It is a super-2 number, since 2×42144314440² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238137 + ... + 375496.

Almost surely, 2^42144314440 is an apocalyptic number.

42144314440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42144314440 is an abundant number, since it is smaller than the sum of its proper divisors (59252567720).

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

42144314440 is a wasteful number, since it uses less digits than its factorization.

42144314440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613762 (or 613758 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 42144314440 its reverse (4441344124), we get a palindrome (46585658564).

The spelling of 42144314440 in words is "forty-two billion, one hundred forty-four million, three hundred fourteen thousand, four hundred forty".