42724042776 has 24 divisors (see below), whose sum is σ = 115710949380. Its totient is φ = 14241347568.

The previous prime is 42724042769. The next prime is 42724042793. The reversal of 42724042776 is 67724042724.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×42724042776² (a number of 22 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 5 ways as a sum of consecutive naturals, for example, 296694670 + ... + 296694813.

Almost surely, 2^42724042776 is an apocalyptic number.

It is an amenable number.

42724042776 is an abundant number, since it is smaller than the sum of its proper divisors (72986906604).

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

42724042776 is a wasteful number, since it uses less digits than its factorization.

42724042776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593389495 (or 593389488 counting only the distinct ones).

The product of its (nonzero) digits is 1053696, while the sum is 45.

The spelling of 42724042776 in words is "forty-two billion, seven hundred twenty-four million, forty-two thousand, seven hundred seventy-six".