42657377744 has 10 divisors (see below), whose sum is σ = 82648669410. Its totient is φ = 21328688864.

The previous prime is 42657377689. The next prime is 42657377747. The reversal of 42657377744 is 44777375624.

It can be written as a sum of positive squares in only one way, i.e., 26892064144 + 15765313600 = 163988^2 + 125560^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 42657377744.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42657377747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1333043039 + ... + 1333043070.

It is an arithmetic number, because the mean of its divisors is an integer number (8264866941).

Almost surely, 2^42657377744 is an apocalyptic number.

It is an amenable number.

42657377744 is a deficient number, since it is larger than the sum of its proper divisors (39991291666).

42657377744 is a wasteful number, since it uses less digits than its factorization.

42657377744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2666086117 (or 2666086111 counting only the distinct ones).

The product of its digits is 27659520, while the sum is 56.

The spelling of 42657377744 in words is "forty-two billion, six hundred fifty-seven million, three hundred seventy-seven thousand, seven hundred forty-four".