42756624359 has 8 divisors (see below), whose sum is σ = 43618409040. Its totient is φ = 41902301376.

The previous prime is 42756624329. The next prime is 42756624389. The reversal of 42756624359 is 95342665724.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42756624329) and next prime (42756624389).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42756624359 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42756624359.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42756624319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1853849 + ... + 1876770.

It is an arithmetic number, because the mean of its divisors is an integer number (5452301130).

Almost surely, 2^42756624359 is an apocalyptic number.

42756624359 is a deficient number, since it is larger than the sum of its proper divisors (861784681).

42756624359 is a wasteful number, since it uses less digits than its factorization.

42756624359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3730849.

The product of its digits is 10886400, while the sum is 53.

The spelling of 42756624359 in words is "forty-two billion, seven hundred fifty-six million, six hundred twenty-four thousand, three hundred fifty-nine".