42144346450 has 12 divisors (see below), whose sum is σ = 78388484490. Its totient is φ = 16857738560.

The previous prime is 42144346441. The next prime is 42144346469. The reversal of 42144346450 is 5464344124.

It can be written as a sum of positive squares in 3 ways, for example, as 34585956729 + 7558389721 = 185973^2 + 86939^2 .

It is a super-2 number, since 2×42144346450² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 421443415 + ... + 421443514.

Almost surely, 2^42144346450 is an apocalyptic number.

42144346450 is a deficient number, since it is larger than the sum of its proper divisors (36244138040).

42144346450 is a wasteful number, since it uses less digits than its factorization.

42144346450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842886941 (or 842886936 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 37.

The spelling of 42144346450 in words is "forty-two billion, one hundred forty-four million, three hundred forty-six thousand, four hundred fifty".