424301240021 has 8 divisors (see below), whose sum is σ = 428247027000. Its totient is φ = 420370095040.

The previous prime is 424301240017. The next prime is 424301240029. The reversal of 424301240021 is 120042103424.

It can be written as a sum of positive squares in 4 ways, for example, as 31892959396 + 392408280625 = 178586^2 + 626425^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 424301240021 - 2² = 424301240017 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 (424301240029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3602270 + ... + 3718191.

It is an arithmetic number, because the mean of its divisors is an integer number (53530878375).

Almost surely, 2^424301240021 is an apocalyptic number.

It is an amenable number.

424301240021 is a deficient number, since it is larger than the sum of its proper divisors (3945786979).

424301240021 is a wasteful number, since it uses less digits than its factorization.

424301240021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7320999.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 424301240021 its reverse (120042103424), we get a palindrome (544343343445).

The spelling of 424301240021 in words is "four hundred twenty-four billion, three hundred one million, two hundred forty thousand, twenty-one".