52405642434 has 16 divisors (see below), whose sum is σ = 104863428000. Its totient is φ = 17459856960.

The previous prime is 52405642423. The next prime is 52405642483. The reversal of 52405642434 is 43424650425.

It is a happy number.

It is a super-2 number, since 2×52405642434² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52405642392 and 52405642401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2159559 + ... + 2183690.

It is an arithmetic number, because the mean of its divisors is an integer number (6553964250).

Almost surely, 2^52405642434 is an apocalyptic number.

52405642434 is an abundant number, since it is smaller than the sum of its proper divisors (52457785566).

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

52405642434 is a wasteful number, since it uses less digits than its factorization.

52405642434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4345265.

The product of its (nonzero) digits is 460800, while the sum is 39.

The spelling of 52405642434 in words is "fifty-two billion, four hundred five million, six hundred forty-two thousand, four hundred thirty-four".