420144324015 has 32 divisors (see below), whose sum is σ = 724920860160. Its totient is φ = 206560319616.

The previous prime is 420144324001. The next prime is 420144324023. The reversal of 420144324015 is 510423441024.

It is not a de Polignac number, because 420144324015 - 2¹⁴ = 420144307631 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1313667 + ... + 1601876.

It is an arithmetic number, because the mean of its divisors is an integer number (22653776880).

Almost surely, 2^420144324015 is an apocalyptic number.

420144324015 is a deficient number, since it is larger than the sum of its proper divisors (304776536145).

420144324015 is a wasteful number, since it uses less digits than its factorization.

420144324015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2916303.

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 420144324015 its reverse (510423441024), we get a palindrome (930567765039).

The spelling of 420144324015 in words is "four hundred twenty billion, one hundred forty-four million, three hundred twenty-four thousand, fifteen".