52431620042 has 32 divisors (see below), whose sum is σ = 87635450880. Its totient is φ = 23430274560.

The previous prime is 52431620039. The next prime is 52431620053. The reversal of 52431620042 is 24002613425.

It is a super-3 number, since 3×52431620042³ (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 52431619987 and 52431620014.

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 15 ways as a sum of consecutive naturals, for example, 592583 + ... + 675290.

It is an arithmetic number, because the mean of its divisors is an integer number (2738607840).

Almost surely, 2^52431620042 is an apocalyptic number.

52431620042 is a deficient number, since it is larger than the sum of its proper divisors (35203830838).

52431620042 is a wasteful number, since it uses less digits than its factorization.

52431620042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1267958.

The product of its (nonzero) digits is 11520, while the sum is 29.

The spelling of 52431620042 in words is "fifty-two billion, four hundred thirty-one million, six hundred twenty thousand, forty-two".