42019460 has 72 divisors (see below), whose sum is σ = 104713560. Its totient is φ = 14117376.

The previous prime is 42019421. The next prime is 42019487. The reversal of 42019460 is 6491024.

It can be written as a sum of positive squares in 4 ways, for example, as 15476356 + 26543104 = 3934^2 + 5152^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51536 + ... + 52344.

It is an arithmetic number, because the mean of its divisors is an integer number (1454355).

Almost surely, 2^42019460 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42019460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52356780).

42019460 is an abundant number, since it is smaller than the sum of its proper divisors (62694100).

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

42019460 is a wasteful number, since it uses less digits than its factorization.

42019460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885 (or 876 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 42019460 is about 6482.2418961344. The cubic root of 42019460 is about 347.6563414998.

The spelling of 42019460 in words is "forty-two million, nineteen thousand, four hundred sixty".