56840281386 has 32 divisors (see below), whose sum is σ = 135569369088. Its totient is φ = 15533989680.

The previous prime is 56840281321. The next prime is 56840281411. The reversal of 56840281386 is 68318204865.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29419470 + ... + 29421401.

It is an arithmetic number, because the mean of its divisors is an integer number (4236542784).

Almost surely, 2^56840281386 is an apocalyptic number.

56840281386 is an abundant number, since it is smaller than the sum of its proper divisors (78729087702).

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

56840281386 is a wasteful number, since it uses less digits than its factorization.

56840281386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58840906.

The product of its (nonzero) digits is 2211840, while the sum is 51.

The spelling of 56840281386 in words is "fifty-six billion, eight hundred forty million, two hundred eighty-one thousand, three hundred eighty-six".