42001402 has 8 divisors (see below), whose sum is σ = 63043200. Its totient is φ = 20987004.

The previous prime is 42001397. The next prime is 42001447. The reversal of 42001402 is 20410024.

42001402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2452 + ... + 9487.

It is an arithmetic number, because the mean of its divisors is an integer number (7880400).

Almost surely, 2^42001402 is an apocalyptic number.

42001402 is a deficient number, since it is larger than the sum of its proper divisors (21041798).

42001402 is a wasteful number, since it uses less digits than its factorization.

42001402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13700.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 42001402 is about 6480.8488641535. The cubic root of 42001402 is about 347.6065322149.

Adding to 42001402 its reverse (20410024), we get a palindrome (62411426).

The spelling of 42001402 in words is "forty-two million, one thousand, four hundred two".