420334340324 has 6 divisors (see below), whose sum is σ = 735585095574. Its totient is φ = 210167170160.

The previous prime is 420334340303. The next prime is 420334340341. The reversal of 420334340324 is 423043433024.

It can be written as a sum of positive squares in only one way, i.e., 270192040000 + 150142300324 = 519800^2 + 387482^2 .

It is a super-2 number, since 2×420334340324² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52541792537 + ... + 52541792544.

It is an arithmetic number, because the mean of its divisors is an integer number (122597515929).

Almost surely, 2^420334340324 is an apocalyptic number.

It is an amenable number.

420334340324 is a deficient number, since it is larger than the sum of its proper divisors (315250755250).

420334340324 is a wasteful number, since it uses less digits than its factorization.

420334340324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105083585085 (or 105083585083 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 32.

Adding to 420334340324 its reverse (423043433024), we get a palindrome (843377773348).

The spelling of 420334340324 in words is "four hundred twenty billion, three hundred thirty-four million, three hundred forty thousand, three hundred twenty-four".