42101828 has 12 divisors (see below), whose sum is σ = 74241552. Its totient is φ = 20889960.

The previous prime is 42101827. The next prime is 42101837. The reversal of 42101828 is 82810124.

It is a junction number, because it is equal to n+sod(n) for n = 42101797 and 42101806.

It is not an unprimeable number, because it can be changed into a prime (42101821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39650 + ... + 40697.

It is an arithmetic number, because the mean of its divisors is an integer number (6186796).

Almost surely, 2^42101828 is an apocalyptic number.

It is an amenable number.

42101828 is a deficient number, since it is larger than the sum of its proper divisors (32139724).

42101828 is a wasteful number, since it uses less digits than its factorization.

42101828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80482 (or 80480 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 42101828 is about 6488.5921431386. The cubic root of 42101828 is about 347.8833558954.

The spelling of 42101828 in words is "forty-two million, one hundred one thousand, eight hundred twenty-eight".