42899250 has 64 divisors (see below), whose sum is σ = 109444608. Its totient is φ = 11187200.

The previous prime is 42899237. The next prime is 42899281. The reversal of 42899250 is 5299824.

42899250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 42899199 and 42899208.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 34642 + ... + 35858.

It is an arithmetic number, because the mean of its divisors is an integer number (1710072).

Almost surely, 2^42899250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42899250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54722304).

42899250 is an abundant number, since it is smaller than the sum of its proper divisors (66545358).

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

42899250 is a wasteful number, since it uses less digits than its factorization.

42899250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284 (or 1274 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 42899250 is about 6549.7519036983. The cubic root of 42899250 is about 350.0659739579.

The spelling of 42899250 in words is "forty-two million, eight hundred ninety-nine thousand, two hundred fifty".