42465777168 has 20 divisors (see below), whose sum is σ = 109703257808. Its totient is φ = 14155259040.

The previous prime is 42465777143. The next prime is 42465777169. The reversal of 42465777168 is 86177756424.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (42465777169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 442351798 + ... + 442351893.

Almost surely, 2^42465777168 is an apocalyptic number.

42465777168 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

42465777168 is an abundant number, since it is smaller than the sum of its proper divisors (67237480640).

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

42465777168 is a wasteful number, since it uses less digits than its factorization.

42465777168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884703702 (or 884703696 counting only the distinct ones).

The product of its digits is 15805440, while the sum is 57.

The spelling of 42465777168 in words is "forty-two billion, four hundred sixty-five million, seven hundred seventy-seven thousand, one hundred sixty-eight".