42620650 has 24 divisors (see below), whose sum is σ = 79554060. Its totient is φ = 16988160.

The previous prime is 42620621. The next prime is 42620651. The reversal of 42620650 is 5602624.

42620650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 227529 + 42393121 = 477^2 + 6511^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (42620651) 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 11 ways as a sum of consecutive naturals, for example, 14506 + ... + 17194.

Almost surely, 2^42620650 is an apocalyptic number.

42620650 is a deficient number, since it is larger than the sum of its proper divisors (36933410).

42620650 is a wasteful number, since it uses less digits than its factorization.

42620650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3018 (or 3013 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 42620650 is about 6528.4492798826. The cubic root of 42620650 is about 349.3065180146.

The spelling of 42620650 in words is "forty-two million, six hundred twenty thousand, six hundred fifty".