147808386840 has 64 divisors (see below), whose sum is σ = 443884066560. Its totient is φ = 39374778240.

The previous prime is 147808386821. The next prime is 147808386989. The reversal of 147808386840 is 48683808741.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 520846 + ... + 752925.

It is an arithmetic number, because the mean of its divisors is an integer number (6935688540).

Almost surely, 2^147808386840 is an apocalyptic number.

147808386840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

147808386840 is an abundant number, since it is smaller than the sum of its proper divisors (296075679720).

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

147808386840 is a wasteful number, since it uses less digits than its factorization.

147808386840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1274752 (or 1274748 counting only the distinct ones).

The product of its (nonzero) digits is 8257536, while the sum is 57.

The spelling of 147808386840 in words is "one hundred forty-seven billion, eight hundred eight million, three hundred eighty-six thousand, eight hundred forty".