42989310 has 192 divisors, whose sum is σ = 143095680. Its totient is φ = 8709120.

The previous prime is 42989299. The next prime is 42989327. The reversal of 42989310 is 1398924.

It is a super-2 number, since 2×42989310² = 3696161548552200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 237420 + ... + 237600.

It is an arithmetic number, because the mean of its divisors is an integer number (745290).

Almost surely, 2^42989310 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42989310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71547840).

42989310 is an abundant number, since it is smaller than the sum of its proper divisors (100106370).

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

42989310 is a wasteful number, since it uses less digits than its factorization.

42989310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243 (or 240 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 42989310 is about 6556.6233687776. The cubic root of 42989310 is about 350.3107715974.

The spelling of 42989310 in words is "forty-two million, nine hundred eighty-nine thousand, three hundred ten".