42601980 has 48 divisors (see below), whose sum is σ = 124475904. Its totient is φ = 10866240.

The previous prime is 42601969. The next prime is 42601987. The reversal of 42601980 is 8910624.

42601980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42601987) 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, 14056 + ... + 16815.

It is an arithmetic number, because the mean of its divisors is an integer number (2593248).

Almost surely, 2^42601980 is an apocalyptic number.

It is an amenable number.

42601980 is an abundant number, since it is smaller than the sum of its proper divisors (81873924).

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

42601980 is a wasteful number, since it uses less digits than its factorization.

42601980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30906 (or 30904 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 42601980 is about 6527.0192277946. The cubic root of 42601980 is about 349.2555059256.

The spelling of 42601980 in words is "forty-two million, six hundred one thousand, nine hundred eighty".