103655440620 has 72 divisors (see below), whose sum is σ = 332916895584. Its totient is φ = 26015482368.

The previous prime is 103655440549. The next prime is 103655440627. The reversal of 103655440620 is 26044556301.

103655440620 is a `hidden beast` number, since 1 + 0 + 3 + 6 + 554 + 40 + 62 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (103655440627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16934104 + ... + 16940223.

It is an arithmetic number, because the mean of its divisors is an integer number (4623845772).

Almost surely, 2^103655440620 is an apocalyptic number.

103655440620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103655440620 is an abundant number, since it is smaller than the sum of its proper divisors (229261454964).

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

103655440620 is a wasteful number, since it uses less digits than its factorization.

103655440620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33874359 (or 33874354 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 103655440620 its reverse (26044556301), we get a palindrome (129699996921).

The spelling of 103655440620 in words is "one hundred three billion, six hundred fifty-five million, four hundred forty thousand, six hundred twenty".