42044402 has 8 divisors (see below), whose sum is σ = 63331200. Its totient is φ = 20934004.

The previous prime is 42044399. The next prime is 42044407. The reversal of 42044402 is 20444024.

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

It is not an unprimeable number, because it can be changed into a prime (42044407) 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, 43502 + ... + 44457.

It is an arithmetic number, because the mean of its divisors is an integer number (7916400).

Almost surely, 2^42044402 is an apocalyptic number.

42044402 is a deficient number, since it is larger than the sum of its proper divisors (21286798).

42044402 is a wasteful number, since it uses less digits than its factorization.

42044402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88200.

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 42044402 is about 6484.1654821573. The cubic root of 42044402 is about 347.7251154229.

Adding to 42044402 its reverse (20444024), we get a palindrome (62488426).

The spelling of 42044402 in words is "forty-two million, forty-four thousand, four hundred two".