42580740 has 24 divisors (see below), whose sum is σ = 119226240. Its totient is φ = 11354848.

The previous prime is 42580739. The next prime is 42580771. The reversal of 42580740 is 4708524.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 42580698 and 42580707.

It is an unprimeable number.

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, 354780 + ... + 354899.

It is an arithmetic number, because the mean of its divisors is an integer number (4967760).

Almost surely, 2^42580740 is an apocalyptic number.

It is an amenable number.

42580740 is an abundant number, since it is smaller than the sum of its proper divisors (76645500).

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

42580740 is a wasteful number, since it uses less digits than its factorization.

42580740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709691 (or 709689 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 42580740 is about 6525.3919422514. The cubic root of 42580740 is about 349.1974536933.

The spelling of 42580740 in words is "forty-two million, five hundred eighty thousand, seven hundred forty".