42411720 has 128 divisors (see below), whose sum is σ = 141603840. Its totient is φ = 10091520.

The previous prime is 42411683. The next prime is 42411727. The reversal of 42411720 is 2711424.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (42411727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47922 + ... + 48798.

It is an arithmetic number, because the mean of its divisors is an integer number (1106280).

Almost surely, 2^42411720 is an apocalyptic number.

42411720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42411720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70801920).

42411720 is an abundant number, since it is smaller than the sum of its proper divisors (99192120).

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

42411720 is a wasteful number, since it uses less digits than its factorization.

42411720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935 (or 931 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 42411720 is about 6512.4281186052. The cubic root of 42411720 is about 348.7348061879.

The spelling of 42411720 in words is "forty-two million, four hundred eleven thousand, seven hundred twenty".