42774721624 has 48 divisors (see below), whose sum is σ = 82288710000. Its totient is φ = 20844823104.

The previous prime is 42774721559. The next prime is 42774721663. The reversal of 42774721624 is 42612747724.

42774721624 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7437502 + ... + 7443250.

It is an arithmetic number, because the mean of its divisors is an integer number (1714348125).

Almost surely, 2^42774721624 is an apocalyptic number.

It is an amenable number.

42774721624 is a deficient number, since it is larger than the sum of its proper divisors (39513988376).

42774721624 is a wasteful number, since it uses less digits than its factorization.

42774721624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6344 (or 6297 counting only the distinct ones).

The product of its digits is 1053696, while the sum is 46.

The spelling of 42774721624 in words is "forty-two billion, seven hundred seventy-four million, seven hundred twenty-one thousand, six hundred twenty-four".