56436464390 has 8 divisors (see below), whose sum is σ = 101585635920. Its totient is φ = 22574585752.

The previous prime is 56436464387. The next prime is 56436464393. The reversal of 56436464390 is 9346463465.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (56436464387) and next prime (56436464393).

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56436464393) 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, 2821823210 + ... + 2821823229.

It is an arithmetic number, because the mean of its divisors is an integer number (12698204490).

Almost surely, 2^56436464390 is an apocalyptic number.

56436464390 is a deficient number, since it is larger than the sum of its proper divisors (45149171530).

56436464390 is a wasteful number, since it uses less digits than its factorization.

56436464390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5643646446.

The product of its (nonzero) digits is 5598720, while the sum is 50.

The spelling of 56436464390 in words is "fifty-six billion, four hundred thirty-six million, four hundred sixty-four thousand, three hundred ninety".