42231220546 has 8 divisors (see below), whose sum is σ = 64542054204. Its totient is φ = 20717202480.

The previous prime is 42231220519. The next prime is 42231220573. The reversal of 42231220546 is 64502213224.

It is an interprime number because it is at equal distance from previous prime (42231220519) and next prime (42231220573).

It can be written as a sum of positive squares in 2 ways, for example, as 41875483225 + 355737321 = 204635^2 + 18861^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199203765 + ... + 199203976.

Almost surely, 2^42231220546 is an apocalyptic number.

42231220546 is a deficient number, since it is larger than the sum of its proper divisors (22310833658).

42231220546 is a wasteful number, since it uses less digits than its factorization.

42231220546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398407796.

The product of its (nonzero) digits is 23040, while the sum is 31.

The spelling of 42231220546 in words is "forty-two billion, two hundred thirty-one million, two hundred twenty thousand, five hundred forty-six".