56036394390 has 16 divisors (see below), whose sum is σ = 134487346608. Its totient is φ = 14943038496.

The previous prime is 56036394389. The next prime is 56036394391. The reversal of 56036394390 is 9349363065.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (56036394389) and next prime (56036394391).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56036394391) 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, 933939877 + ... + 933939936.

It is an arithmetic number, because the mean of its divisors is an integer number (8405459163).

Almost surely, 2^56036394390 is an apocalyptic number.

56036394390 is an abundant number, since it is smaller than the sum of its proper divisors (78450952218).

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

56036394390 is a wasteful number, since it uses less digits than its factorization.

56036394390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1867879823.

The product of its (nonzero) digits is 1574640, while the sum is 48.

The spelling of 56036394390 in words is "fifty-six billion, thirty-six million, three hundred ninety-four thousand, three hundred ninety".