42011250 has 80 divisors (see below), whose sum is σ = 111339360. Its totient is φ = 10528000.

The previous prime is 42011213. The next prime is 42011251. The reversal of 42011250 is 5211024.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (42011251) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 63421 + ... + 64079.

It is an arithmetic number, because the mean of its divisors is an integer number (1391742).

Almost surely, 2^42011250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42011250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55669680).

42011250 is an abundant number, since it is smaller than the sum of its proper divisors (69328110).

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

42011250 is a wasteful number, since it uses less digits than its factorization.

42011250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701 (or 686 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 42011250 is about 6481.6085966371. The cubic root of 42011250 is about 347.6336976702.

Adding to 42011250 its reverse (5211024), we get a palindrome (47222274).

The spelling of 42011250 in words is "forty-two million, eleven thousand, two hundred fifty".