42779553713140 has 12 divisors (see below), whose sum is σ = 89837062797636. Its totient is φ = 17111821485248.

The previous prime is 42779553713123. The next prime is 42779553713167. The reversal of 42779553713140 is 4131735597724.

It can be written as a sum of positive squares in 2 ways, for example, as 5678517425296 + 37101036287844 = 2382964^2 + 6091062^2 .

It is a super-2 number, since 2×42779553713140² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1069488842809 + ... + 1069488842848.

It is an arithmetic number, because the mean of its divisors is an integer number (7486421899803).

Almost surely, 2^{42779553713140} is an apocalyptic number.

It is an amenable number.

42779553713140 is an abundant number, since it is smaller than the sum of its proper divisors (47057509084496).

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

42779553713140 is a wasteful number, since it uses less digits than its factorization.

42779553713140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2138977685666 (or 2138977685664 counting only the distinct ones).

The product of its (nonzero) digits is 22226400, while the sum is 58.

The spelling of 42779553713140 in words is "forty-two trillion, seven hundred seventy-nine billion, five hundred fifty-three million, seven hundred thirteen thousand, one hundred forty".