42019410 has 64 divisors (see below), whose sum is σ = 109112832. Its totient is φ = 10315776.

The previous prime is 42019409. The next prime is 42019421. The reversal of 42019410 is 1491024.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23094 + ... + 24846.

It is an arithmetic number, because the mean of its divisors is an integer number (1704888).

Almost surely, 2^42019410 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42019410, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54556416).

42019410 is an abundant number, since it is smaller than the sum of its proper divisors (67093422).

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

42019410 is a wasteful number, since it uses less digits than its factorization.

42019410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1827.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 42019410 is about 6482.2380394429. The cubic root of 42019410 is about 347.6562036048.

The spelling of 42019410 in words is "forty-two million, nineteen thousand, four hundred ten".