46042442021 has 8 divisors (see below), whose sum is σ = 46105334784. Its totient is φ = 45979583040.

The previous prime is 46042441981. The next prime is 46042442023. The reversal of 46042442021 is 12024424064.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46042442021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46042442023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3845981 + ... + 3857933.

It is an arithmetic number, because the mean of its divisors is an integer number (5763166848).

Almost surely, 2^46042442021 is an apocalyptic number.

It is an amenable number.

46042442021 is a deficient number, since it is larger than the sum of its proper divisors (62892763).

46042442021 is a wasteful number, since it uses less digits than its factorization.

46042442021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16891.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 46042442021 its reverse (12024424064), we get a palindrome (58066866085).

The spelling of 46042442021 in words is "forty-six billion, forty-two million, four hundred forty-two thousand, twenty-one".