5185280642 has 8 divisors (see below), whose sum is σ = 7812185616. Its totient is φ = 2581218772.

The previous prime is 5185280641. The next prime is 5185280699. The reversal of 5185280642 is 2460825815.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 5185280642.

It is not an unprimeable number, because it can be changed into a prime (5185280641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5710208 + ... + 5711115.

It is an arithmetic number, because the mean of its divisors is an integer number (976523202).

Almost surely, 2^5185280642 is an apocalyptic number.

5185280642 is a deficient number, since it is larger than the sum of its proper divisors (2626904974).

5185280642 is a wasteful number, since it uses less digits than its factorization.

5185280642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11421552.

The product of its (nonzero) digits is 153600, while the sum is 41.

The square root of 5185280642 is about 72008.8927980427. The cubic root of 5185280642 is about 1730.8419884817.

The spelling of 5185280642 in words is "five billion, one hundred eighty-five million, two hundred eighty thousand, six hundred forty-two".