42775514772 has 12 divisors (see below), whose sum is σ = 99809534496. Its totient is φ = 14258504920.

The previous prime is 42775514723. The next prime is 42775514783. The reversal of 42775514772 is 27741557724.

It is a tau number, because it is divible by the number of its divisors (12).

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, 1782313104 + ... + 1782313127.

It is an arithmetic number, because the mean of its divisors is an integer number (8317461208).

Almost surely, 2^42775514772 is an apocalyptic number.

It is an amenable number.

42775514772 is an abundant number, since it is smaller than the sum of its proper divisors (57034019724).

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

42775514772 is a wasteful number, since it uses less digits than its factorization.

42775514772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3564626238 (or 3564626236 counting only the distinct ones).

The product of its digits is 3841600, while the sum is 51.

The spelling of 42775514772 in words is "forty-two billion, seven hundred seventy-five million, five hundred fourteen thousand, seven hundred seventy-two".