42502620 has 96 divisors (see below), whose sum is σ = 130798080. Its totient is φ = 10264320.

The previous prime is 42502591. The next prime is 42502627. The reversal of 42502620 is 2620524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42502627) 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 31 ways as a sum of consecutive naturals, for example, 25410 + ... + 27030.

It is an arithmetic number, because the mean of its divisors is an integer number (1362480).

Almost surely, 2^42502620 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 42502620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65399040).

42502620 is an abundant number, since it is smaller than the sum of its proper divisors (88295460).

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

42502620 is a wasteful number, since it uses less digits than its factorization.

42502620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1675 (or 1673 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 42502620 is about 6519.4033469329. The cubic root of 42502620 is about 348.9837733251.

The spelling of 42502620 in words is "forty-two million, five hundred two thousand, six hundred twenty".