42230740621 has 24 divisors (see below), whose sum is σ = 48289976064. Its totient is φ = 36778734720.

The previous prime is 42230740619. The next prime is 42230740637. The reversal of 42230740621 is 12604703224.

It is a happy number.

It is not a de Polignac number, because 42230740621 - 2¹ = 42230740619 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 (42230740661) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 183876 + ... + 343906.

It is an arithmetic number, because the mean of its divisors is an integer number (2012082336).

Almost surely, 2^42230740621 is an apocalyptic number.

It is an amenable number.

42230740621 is a deficient number, since it is larger than the sum of its proper divisors (6059235443).

42230740621 is a wasteful number, since it uses less digits than its factorization.

42230740621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160129 (or 160110 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The spelling of 42230740621 in words is "forty-two billion, two hundred thirty million, seven hundred forty thousand, six hundred twenty-one".