42654740 has 24 divisors (see below), whose sum is σ = 89736360. Its totient is φ = 17031168.

The previous prime is 42654727. The next prime is 42654743. The reversal of 42654740 is 4745624.

It can be written as a sum of positive squares in 4 ways, for example, as 6822544 + 35832196 = 2612^2 + 5986^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42654697 and 42654706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42654743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11876 + ... + 15044.

It is an arithmetic number, because the mean of its divisors is an integer number (3739015).

Almost surely, 2^42654740 is an apocalyptic number.

It is an amenable number.

42654740 is an abundant number, since it is smaller than the sum of its proper divisors (47081620).

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

42654740 is a wasteful number, since it uses less digits than its factorization.

42654740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3851 (or 3849 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 42654740 is about 6531.0596383742. The cubic root of 42654740 is about 349.3996237884.

The spelling of 42654740 in words is "forty-two million, six hundred fifty-four thousand, seven hundred forty".