42402004646 has 8 divisors (see below), whose sum is σ = 63607210200. Its totient is φ = 21199601248.

The previous prime is 42402004621. The next prime is 42402004649. The reversal of 42402004646 is 64640020424.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42402004649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 662291 + ... + 723486.

It is an arithmetic number, because the mean of its divisors is an integer number (7950901275).

Almost surely, 2^42402004646 is an apocalyptic number.

42402004646 is a deficient number, since it is larger than the sum of its proper divisors (21205205554).

42402004646 is a wasteful number, since it uses less digits than its factorization.

42402004646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401078.

The product of its (nonzero) digits is 36864, while the sum is 32.

The spelling of 42402004646 in words is "forty-two billion, four hundred two million, four thousand, six hundred forty-six".