42045777244 has 6 divisors (see below), whose sum is σ = 73580110184. Its totient is φ = 21022888620.

The previous prime is 42045777229. The next prime is 42045777251. The reversal of 42045777244 is 44277754024.

It is a junction number, because it is equal to n+sod(n) for n = 42045777194 and 42045777203.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5255722152 + ... + 5255722159.

Almost surely, 2^42045777244 is an apocalyptic number.

It is an amenable number.

42045777244 is a deficient number, since it is larger than the sum of its proper divisors (31534332940).

42045777244 is a wasteful number, since it uses less digits than its factorization.

42045777244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10511444315 (or 10511444313 counting only the distinct ones).

The product of its (nonzero) digits is 1756160, while the sum is 46.

The spelling of 42045777244 in words is "forty-two billion, forty-five million, seven hundred seventy-seven thousand, two hundred forty-four".