511420005402 has 16 divisors (see below), whose sum is σ = 1026915073632. Its totient is φ = 169794158000.

The previous prime is 511420005373. The next prime is 511420005443. The reversal of 511420005402 is 204500024115.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169792653 + ... + 169795664.

It is an arithmetic number, because the mean of its divisors is an integer number (64182192102).

Almost surely, 2^511420005402 is an apocalyptic number.

511420005402 is an abundant number, since it is smaller than the sum of its proper divisors (515495068230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

511420005402 is a wasteful number, since it uses less digits than its factorization.

511420005402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339588573.

The product of its (nonzero) digits is 1600, while the sum is 24.

Adding to 511420005402 its reverse (204500024115), we get a palindrome (715920029517).

The spelling of 511420005402 in words is "five hundred eleven billion, four hundred twenty million, five thousand, four hundred two".