56427620290 has 16 divisors (see below), whose sum is σ = 105072121080. Its totient is φ = 21792736000.

The previous prime is 56427620287. The next prime is 56427620299. The reversal of 56427620290 is 9202672465.

It can be written as a sum of positive squares in 4 ways, for example, as 35549971209 + 20877649081 = 188547^2 + 144491^2 .

It is not an unprimeable number, because it can be changed into a prime (56427620299) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 97288711 + ... + 97289290.

Almost surely, 2^56427620290 is an apocalyptic number.

56427620290 is a deficient number, since it is larger than the sum of its proper divisors (48644500790).

56427620290 is a wasteful number, since it uses less digits than its factorization.

56427620290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194578037.

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 56427620290 in words is "fifty-six billion, four hundred twenty-seven million, six hundred twenty thousand, two hundred ninety".