42820254 has 24 divisors (see below), whose sum is σ = 92968200. Its totient is φ = 14244048.

The previous prime is 42820249. The next prime is 42820259. The reversal of 42820254 is 45202824.

It is a happy number.

42820254 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42820249) and next prime (42820259).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42820259) 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, 7672 + ... + 12020.

It is an arithmetic number, because the mean of its divisors is an integer number (3873675).

Almost surely, 2^42820254 is an apocalyptic number.

42820254 is an abundant number, since it is smaller than the sum of its proper divisors (50147946).

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

42820254 is a wasteful number, since it uses less digits than its factorization.

42820254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4904 (or 4901 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 42820254 is about 6543.7186675468. The cubic root of 42820254 is about 349.8509678427.

The spelling of 42820254 in words is "forty-two million, eight hundred twenty thousand, two hundred fifty-four".