42980740 has 48 divisors (see below), whose sum is σ = 99751680. Its totient is φ = 15425280.

The previous prime is 42980731. The next prime is 42980747. The reversal of 42980740 is 4708924.

It is a happy number.

42980740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 42980696 and 42980705.

It is not an unprimeable number, because it can be changed into a prime (42980747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16144 + ... + 18616.

It is an arithmetic number, because the mean of its divisors is an integer number (2078160).

Almost surely, 2^42980740 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42980740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49875840).

42980740 is an abundant number, since it is smaller than the sum of its proper divisors (56770940).

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

42980740 is a wasteful number, since it uses less digits than its factorization.

42980740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2572 (or 2570 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 42980740 is about 6555.9697985882. The cubic root of 42980740 is about 350.2874916795.

The spelling of 42980740 in words is "forty-two million, nine hundred eighty thousand, seven hundred forty".