155327435808 has 48 divisors (see below), whose sum is σ = 415427636736. Its totient is φ = 50798908160.

The previous prime is 155327435803. The next prime is 155327435821. The reversal of 155327435808 is 808534723551.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×155327435808² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (155327435801) 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 7 ways as a sum of consecutive naturals, for example, 15259008 + ... + 15269183.

It is an arithmetic number, because the mean of its divisors is an integer number (8654742432).

Almost surely, 2^155327435808 is an apocalyptic number.

It is an amenable number.

155327435808 is an abundant number, since it is smaller than the sum of its proper divisors (260100200928).

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

155327435808 is a wasteful number, since it uses less digits than its factorization.

155327435808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30528257 (or 30528249 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 51.

The spelling of 155327435808 in words is "one hundred fifty-five billion, three hundred twenty-seven million, four hundred thirty-five thousand, eight hundred eight".