42001446 has 8 divisors (see below), whose sum is σ = 84002904. Its totient is φ = 14000480.

The previous prime is 42001397. The next prime is 42001447. The reversal of 42001446 is 64410024.

It is a sphenic number, since it is the product of 3 distinct primes.

42001446 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42001447) 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, 3500115 + ... + 3500126.

It is an arithmetic number, because the mean of its divisors is an integer number (10500363).

Almost surely, 2^42001446 is an apocalyptic number.

42001446 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42001446 is a wasteful number, since it uses less digits than its factorization.

42001446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7000246.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 42001446 is about 6480.8522587697. The cubic root of 42001446 is about 347.6066535973.

The spelling of 42001446 in words is "forty-two million, one thousand, four hundred forty-six".